{"title":"Pistons \u0026 cylinder kits","description":null,"products":[{"product_id":"lil-red-barn-jonsered-590-piston-45mm-replaces-part-503168701-2-day-standard-shipping-to-all-50-states","title":"Jonsered 590 Piston 45mm, Replaces Part # 503168701","description":"\u003cp\u003eJONSERED 590 PISTON 45MM, REPLACES PART # 503168701. NEW, INCLUDES PISTON, RINGS, PISTON PIN AND PISTON PIN CLIPS HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eJONSERED 590 PISTON 45MM\u003c\/li\u003e\n\u003cli\u003eREPLACES PART # 503168701\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486025322653,"sku":"8D-6Z6S-TB6F","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/71EEChElX2L.jpg?v=1793400198"},{"product_id":"lil-red-barn-husqvarna-362-365-371-372-xp-jonsered-2171-2165-chainsaw-av-buffer-mount-spring-set-replaces-husqvarna-503-63-75-02-503-63-76-01-503-89-56-01-ships-from-the-usa","title":"Husqvarna 362 365 371 372 XP Jonsered 2171 2165 Chainsaw AV Buffer Mount Spring Set Replaces Husqvarna 503 63 75-02, 503 63 76-01, 503 89 56-01","description":"\u003cp\u003eAV Buffer Mount Spring Set For Husqvarna 362 365 371 372 XP Jonsered 2171 2165 DESCRIPTION For Husqvarna 362 365 371 372 XP Jonsered 2171 2165 Chainsaw Reference Part No. For 503 63 75-02, 503 63 76-01, 503 89 56-01 Include: 1 x AV Buffer\/Spring Set\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHusqvarna 362 365 371 372 XP Jonsered 2171 2165 AV Buffer Mount Spring Set\u003c\/li\u003e\n\u003cli\u003eReduces vibration from your Husqvarna chainsaw\u003c\/li\u003e\n\u003cli\u003eREPLACE THEM AS A SET - A machine with one perished mount has the rest going the same way, from the same hours and the same heat. Mixing a new mount with tired ones puts the load back through the new one.\u003c\/li\u003e\n\u003cli\u003eCHECK WHAT THE VIBRATION WAS DOING - A broken mount lets the engine move against the handle, and that movement cracks fuel lines, loosens fasteners and wears the bar studs. Look at the neighbouring parts while it is apart.\u003c\/li\u003e\n\u003cli\u003eCOUNT WHAT THE MACHINE TAKES - These are sold individually or in sets depending on the listing. Work out how many your machine uses before ordering, because a partial replacement is a return waiting to happen.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Default Title","offer_id":34486025388189,"sku":"DJ-V71H-O5CQ","price":14.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/61XcIV5nc0L.jpg?v=1793400258"},{"product_id":"lil-red-barn-stihl-ms441-piston-kit-50mm-replaces-stihl-part-1138-030-2003-two-day-standard-shipping-to-all-50-states","title":"Compatible with Stihl Ms441 Piston Kit 50mm, Replaces Part # 1138-030-2003","description":"\u003cp\u003eCompatible withSTIHL MS441 PISTON KIT 50MM, REPLACES PART # 1138-030-2003 HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Stihl Ms441 Piston Kit 50mm\u003c\/li\u003e\n\u003cli\u003eReplaces Part # 1138-030-2003\u003c\/li\u003e\n\u003cli\u003eNOT MADE IN CHINA OR TAIWAN\u003c\/li\u003e\n\u003cli\u003e**Family run business with 25 years of repair experience and parts sales\u003c\/li\u003e\n\u003cli\u003e**We strive to provide high quality parts and excellent customer service!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486025683101,"sku":"BC-U3XD-2XGU","price":36.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/61xRuqTZmLL.jpg?v=1793400259"},{"product_id":"lil-red-barn-husqvarna-390-390xp-piston-kit-55mm-replaces-husqvarna-part-537420202-2-day-standard-shipping-to-all-50-states","title":"Husqvarna 390, 390xp Piston Kit 55mm, Replaces Husqvarna Part # 537420202","description":"\u003cp\u003eHUSQVARNA 390, 390XP PISTON KIT 55MM, REPLACES HUSQVARNA PART # 537420202.INCLUDES RINGS, PISTON PIN AND PISTON PIN CLIPS, REPLACE HUSQVARNA 503939271 SUITABLE FOR THESE HUSQVARNA MODELS: 372XP, 372, 371, 371XP, 363 HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHUSQVARNA 390, 390XP PISTON KIT 55MM\u003c\/li\u003e\n\u003cli\u003eREPLACES HUSQVARNA PART # 537420202\u003c\/li\u003e\n\u003cli\u003eTHIS IS A HIGH QUALITY REPLACEMENT PISTON KIT THAT IS NOT MADE IN CHINA OR TAIWAN\u003c\/li\u003e\n\u003cli\u003e**We strive to provide high quality parts and excellent customer service\u003c\/li\u003e\n\u003cli\u003e**Family run business with 25 years of repair experience and parts sales\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486035710109,"sku":"T9-PUPQ-AK1Q","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/61ItjgOutML.jpg?v=1793400259"},{"product_id":"lil-red-barn-compatible-with-husqvarna-385-385xp-jonsered-2186-piston-kit-54mm-replaces-part-537169871-2-day-standard-shipping-to-all-50-states","title":"Compatible with Husqvarna 385,385XP Jonsered 2186 Piston Kit 54MM, Replaces Part # 537169871","description":"\u003cp\u003eHUSQVARNA 385, 385XP, JONSERED 2186 PISTON KIT, 54MM, REPLACES HUSQVARNA PART # 537169871 HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHUSQVARNA 385, 385XP, JONSERED 2186 PISTON KIT, 54MM\u003c\/li\u003e\n\u003cli\u003eREPLACES PART# 503167701\u003c\/li\u003e\n\u003cli\u003e**Family run business with 25 years of repair experience and parts sales\u003c\/li\u003e\n\u003cli\u003e**We strive to provide high quality parts and excellent customer service!\u003c\/li\u003e\n\u003cli\u003eNOT MADE IN CHINA OR TAIWAN\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486037774493,"sku":"35-TJEX-Y7UI","price":26.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/917xCx93bhL.jpg?v=1793400290"},{"product_id":"lil-red-barn-stihl-ms280-ms270-cylinder-piston-kit-46mm-replaces-part-1133-020-1203-installation-instructions-included-two-day-standard-shipping-to-all-50-states","title":"Compatible with Stihl Ms280, Ms270 Cylinder \u0026 Piston Kit, 46mm Replaces Part # 1133-020-1203 Installation Instructions Included","description":"\u003cp\u003eCompatible with STIHL MS280, MS270 CYLINDER \u0026amp; PISTON KIT 46MM, REPLACES STIHL PART # 1133-020-1203\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with STIHL MS280, MS270\u003c\/li\u003e\n\u003cli\u003eCYLINDER \u0026amp; PISTON KIT\u003c\/li\u003e\n\u003cli\u003e46MM\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486037971101,"sku":"WL-98WZ-STRS","price":119.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/51UKT78frIL.jpg?v=1793400291"},{"product_id":"lil-red-barn-stihl-fs90-fs96-piston-kit-38mm-replaces-stihl-part-4117-034-0500-quality-tooling-2-day-standard-shipping-to-all-50-states","title":"38mm Piston Kit Stihl FS90 FS96 2-Stroke 4117-034-0500","description":"\u003cp\u003ePiston kit, 38mm, for the Stihl 4117-series FS90 and FS96. Replaces Stihl part number 4117-034-0500. Contents: piston, two piston rings, wrist pin and circlips. The engine is 28.4cc. Before you order, check which FS90 you have. Stihl built two completely different machines under that name and both use a 38mm piston. The 4117 series, which this kit is for, is a conventional two-stroke. Nothing on top of the cylinder but the plug. The 4180 series is a 4-MIX engine with a valve train, and its 38mm piston is 4180-030-2007. If your machine has a rocker box or a valve cover on the cylinder, it is a 4-MIX and this kit will not suit it. Same bore, different engine, and they do not interchange. The catalogues carry separate parts diagrams for FS90-4117 and FS90-4180 for exactly this reason. Also worth knowing what is not a 38mm machine. FS100, FS110, HT100, HT101, HT102, KM100 and KM110 are 40mm. FS130, KM130, HT130 and HT131 are 43mm. Numbers for the parts sheet: piston ring 4117-034-3000, two per piston; wrist pin 4117-034-1500 at 10 by 7 by 30; circlip 9463-650-1000; needle cage 9512-003-2340; cylinder only 4117-022-0501; cylinder with piston 4117-020-1200. Piston kit only. Cylinder, needle bearing, gaskets and crankshaft seals are not included. Pressure and vacuum test the crankcase before you run the new piston. An air leak at the crank seals or the intake boot is what scores these, and it will score a new piston as readily as it scored the old one.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e38MM PISTON KIT - Piston, two piston rings, wrist pin and circlips. Replaces Stihl part number 4117-034-0500. For the 28.4cc two-stroke engine used in the 4117-series FS90 and FS96.\u003c\/li\u003e\n\u003cli\u003eTHERE ARE TWO DIFFERENT 38MM FS90 PISTONS - READ THIS FIRST - The 4117 series is a plain two-stroke. The 4180 series is a 4-MIX engine with a valve train, and its 38mm piston is 4180-030-2007. Same bore, different engine, no interchange. If your machine has a rocker box or valve cover on top of the cylinder it is a 4-MIX and this is the wrong part.\u003c\/li\u003e\n\u003cli\u003eWRONG BORE MODELS TO AVOID - FS100, FS110, HT100, HT101, HT102, KM100 and KM110 are 40mm. FS130, KM130, HT130 and HT131 are 43mm. None of those take a 38mm piston, however similar the machine looks.\u003c\/li\u003e\n\u003cli\u003eNUMBERS FOR YOUR PARTS SHEET - Piston ring 4117-034-3000, two per piston. Wrist pin 4117-034-1500, 10 by 7 by 30. Circlip 9463-650-1000. Needle cage 9512-003-2340. Cylinder only is 4117-022-0501, and cylinder with piston is 4117-020-1200.\u003c\/li\u003e\n\u003cli\u003ePRESSURE TEST BEFORE YOU RUN IT - An air leak at the crank seals or the intake boot leans the mixture and scores a new piston the same way it scored the old one. Pressure and vacuum test the crankcase first, and check the impulse line for hardening while you have access to it. Cylinder, needle bearing, gaskets and crankshaft seals are not included.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486038397085,"sku":"C6-6F4G-CHCC","price":36.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/61Ui1idAAFL.jpg?v=1793400291"},{"product_id":"lil-red-barn-stihl-038av-piston-48mm-replaces-stihl-1119-030-2000-two-day-standard-shipping-to-all-50-states","title":"Compatible with Stihl 038av Piston 48mm, Replaces # 1119-030-2000","description":"\u003cp\u003eCompatible with STIHL 038 SUPER PISTON 48MM, REPLACES # 1119-030-2000, NEW, KIT INCLUDES PISTON, RINGS, WRIST PIN AND CLIPS\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Stihl 038av Piston 48mm\u003c\/li\u003e\n\u003cli\u003eREPLACES # 1119-030-2000\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486039052445,"sku":"7H-NUAO-WSPM","price":21.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/71_syAQLmL.jpg?v=1793400317"},{"product_id":"lil-red-barn-compatible-with-husqvarna-340-345-350-piston-cylinder-kit-44mm-quality-tooling-2-day-standard-shipping-to-all-50-states-installation-instructions-included","title":"Compatible with Husqvarna 340, 345, 350 Piston \u0026 Cylinder Kit, 44mm Quality Tooling Installation Instructions Included","description":"\u003cp\u003eCompatible with Husqvarna 340, 345, 350 Piston \u0026amp; Cylinder Kit, 44mm HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Husqvarna 340, 345, 350 Piston \u0026amp; Cylinder Kit, 44mm\u003c\/li\u003e\n\u003cli\u003eQuality Reproduction\u003c\/li\u003e\n\u003cli\u003eNOT MADE IN CHINA OR TAIWAN\u003c\/li\u003e\n\u003cli\u003e**Family run business with 25 years of repair experience and parts sales\u003c\/li\u003e\n\u003cli\u003e**We strive to provide high quality parts and excellent customer service!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486049734813,"sku":"FX-SYMT-PIRI","price":59.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/61zwxPi7CBL.jpg?v=1793400319"},{"product_id":"piston-kit-fits-hilti-dsh600-concrete-saws-48mm-kit-replaces-hilti-part-2165243-two-day-standard-shipping-to-all-50-states","title":"48mm Piston Kit for Hilti DSH 600 and DSH 600-X 2165243","description":"\u003cp\u003ePiston kit for the Hilti DSH 600 and DSH 600-X hand held cut off saws, 48mm bore, replacing part number 2165243. Contents: piston, rings, wrist pin and circlips. Not included: cylinder, base gasket or connecting rod bearing. Fitment: the DSH 600 and DSH 600-X use a 63.3cc engine on a 48mm bore. The DSH 700 and 700-X are 68.7cc on a 50mm bore and the DSH 900 and 900-X are 87cc on a 54mm bore, so this piston does not fit any of those machines. Check the model badge and measure your own bore before ordering. Engine reference figures: single cylinder air cooled two stroke, 63.3cc, 4.3 horsepower at 8,500 rpm, maximum engine speed 9,350 rpm, idle 2,900 rpm, spark plug CMR7A-5 gapped at 0.5mm, fuel mixed 50 to 1 at two percent with an air cooled two stroke oil. On why these pistons wear out: the operating instructions warn never to run the machine with a damaged or missing air filter, because concrete dust is abrasive and anything that gets past the filter polishes the piston and the bore. Lean running from a wrong fuel mix or an air leak is the other common cause and shows as scuffing on the exhaust side of the piston. Inspect the cylinder for scoring before fitting a new piston, because a new piston in a scored bore will not seal. Fit new circlips rather than reusing the old ones, note the piston's exhaust side marking before removal, check ring end gap in the bore, and replace the air and fuel filters while the machine is open.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e48MM, FOR THE DSH 600 AND DSH 600-X ONLY - This is the 48mm piston kit for the 63.3cc engine in the DSH 600 and DSH 600-X hand held cut off saws. Replaces part number 2165243. The bore is the whole fitment story on these machines and it is worth getting right: a DSH 700 or 700-X is 68.7cc on a 50mm bore, and a DSH 900 or 900-X is 87cc on a 54mm bore. Neither of those takes a 48mm piston. If the badge on your saw does not read 600, this is not your kit.\u003c\/li\u003e\n\u003cli\u003eWHAT IS IN THE BOX - Piston, piston rings, wrist pin and circlips, as a matched set. Not included: cylinder, base gasket, connecting rod bearing or cage. Measure the bore in your own cylinder before ordering, and look at it closely while it is open, because the thing that usually kills a piston in a concrete saw also scores the cylinder, and a new piston in a scored bore will not seal.\u003c\/li\u003e\n\u003cli\u003eWHY THESE PISTONS FAIL, AND WHAT TO FIX WITH IT - The operating instructions say never to run the machine with a damaged or missing air filter, and the reason is sitting all around you on the job. Concrete dust is abrasive, and a filter that is split, badly seated or left out puts it straight down the intake, where it polishes the piston skirt and the bore. The other common cause is lean running, from a wrong mix or an air leak, which scuffs the exhaust side of the piston.\u003c\/li\u003e\n\u003cli\u003eENGINE FIGURES WORTH HAVING ON THE BENCH - Single cylinder air cooled two stroke, 63.3cc, rated 4.3 horsepower at 8,500 rpm. Maximum engine speed 9,350 rpm, idle 2,900 rpm. Spark plug CMR7A-5, gapped at 0.5mm. Fuel is mixed at 50 to 1, two percent, with an air cooled two stroke oil. That ratio matters more on this engine than on most, because a cut off saw spends its life at full throttle in the dust with nothing to cool it but the mix.\u003c\/li\u003e\n\u003cli\u003ePUTTING IT BACK TOGETHER - Fit the circlips with the open end away from the direction the piston rocks, and never reuse an old clip. Note which way the piston faces before the old one comes out; a two stroke piston has a mark for the exhaust side and fitting it backwards closes the ring ends on a port. Check ring end gap in the bore. Replace the air and fuel filters while the machine is open, check the intake for a loose boot, and mix fresh fuel.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Aluminum","offer_id":34486049767581,"sku":"7T-UJO2-CZRS","price":39.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/61bCQ_yFGgL.jpg?v=1793400357"},{"product_id":"lil-red-barn-crankshaft-bearings-seals-fits-husqvarna-395xp-395-394-288-281-181-298-2100-two-day-shipping-available","title":"Crankshaft Bearings \u0026 Seals Fits Husqvarna 395XP, 395, 394, 288, 281, 181, 298, 2100","description":"\u003cp\u003eCrankshaft Bearings \u0026amp; Seals Fits Husqvarna 395XP, 395, 394, 288, 281, 181, 298, 2100\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCrankshaft Bearings \u0026amp; Seals Fits Husqvarna 395XP, 395, 394, 288, 281, 181, 298, 2100\u003c\/li\u003e\n\u003cli\u003eA HARDENED SEAL READS LIKE A CARBURETOR FAULT - Air past a crankshaft seal leans the mixture out, and the symptom is an idle that will not come down or an engine that revs and hangs. It gets chased at the carburetor for weeks before anyone pressure tests the case.\u003c\/li\u003e\n\u003cli\u003eREPLACE BOTH SIDES TOGETHER - An engine that needed one seal usually has the other hardening alongside it, from the same hours and the same heat. The second one costs very little while the machine is already open.\u003c\/li\u003e\n\u003cli\u003ePRESSURE AND VACUUM TEST AFTER FITTING - That test is what tells you the new seals are doing their job. On an engine that has already lost a piston to a lean run, it is the whole point of the repair.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Default Title","offer_id":34486049898653,"sku":"YQ-JKWO-3AQ1","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/71G_n8opwAL.jpg?v=1793400359"},{"product_id":"lil-red-barn-stihl-ms193t-chainsaw-piston-51mm-replaces-stihl-part-1137-030-2007-2-day-standard-shipping-to-all-50-states","title":"Compatible with Stihl MS193T Chainsaw Piston 51mm Replaces Part #1137-030-2007","description":"\u003cp\u003eCompatible with Stihl MS193T Chainsaw Piston 51mm Replaces Part #1137-030-2007\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Stihl MS193T Chainsaw Piston 51mm\u003c\/li\u003e\n\u003cli\u003eReplaces Part #1137-030-2007\u003c\/li\u003e\n\u003cli\u003eMEASURE THE BORE BEFORE ORDERING - A caliper across the old piston crown settles which version of the engine you have, and it is the only test that does. Ordering by horsepower or by year is how the wrong part ends up on the bench, because the same machine was often built in more than one bore. The number this replaces is 1137-030-2007.\u003c\/li\u003e\n\u003cli\u003eCHECK RING END GAP IN THIS CYLINDER - Not in the old one. Square the ring in the bore, measure the gap with a feeler, and check side clearance in the piston groove while you are there. A ring that is tight at operating temperature will break a land.\u003c\/li\u003e\n\u003cli\u003eWORK OUT WHY THE OLD ONE FAILED - A scored bore had a cause. A hardened crankshaft seal or a split impulse line leans the mixture out and will take the new piston the same way it took the old one. Pressure and vacuum test the crankcase before the machine goes back together.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Default Title","offer_id":34486050029725,"sku":"YW-IQEM-G45Q","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/81pmZREeU8L.jpg?v=1793400359"},{"product_id":"lil-red-barn-echo-pb620-pb610-pb620h-pb620st-blower-piston-replaces-echo-part-p021007450-two-day-standard-shipping-to-all-50-states","title":"Echo Pb620, Pb610, Pb620H, Pb620ST Blower Piston, Replaces Echo Part # P021007450","description":"\u003cp\u003eECHO BLOWER PISTON KIT FOR PB620, PB610, PB620H, PB620ST REPLACES ECHO PART NUMBER P021007450, 46MM Echo PB-610 - Echo Backpack Blower (SN: 09001001 - 09999999) - Engine, Short Block -- SB1078 Echo PB-610 - Echo Backpack Blower (SN: 10001001 - 10999999) - Engine, Short Block -- SB1078 Echo PB-610 - Echo Backpack Blower (SN: P06713001001 - P06713999999) - Engine, Short Block -- SB1078 Echo PB-610 - Echo Backpack Blower (SN: P08311001001 - P08311999999) - Engine, Short Block -- SB1078 Echo PB-610 - Echo Backpack Blower (SN: P09812001001 - P09812999999) - Engine, Short Block -- SB1078 Echo PB-620 - Echo Backpack Blower (SN: 09001001 - 09999999) - Engine, Short Block -- SB1078 Echo PB-620 - Echo Backpack Blower (SN: 10001001 - 10999999) - Engine, Short Block -- SB1078 Echo PB-620 - Echo Backpack Blower (SN: P06813001001 - P06813999999) - Engine, Short Block -- SB1078 Echo PB-620 - Echo Backpack Blower (SN: P08411001001 - P08411999999) - Engine, Short Block -- SB1078 Echo PB-620 - Echo Backpack Blower (SN: P09912001001 - P09912999999) - Engine, Short Block -- SB1078 Echo PB-620H - Echo Backpack Blower (SN: P04611001001 - P04611999999) - Engine, Short Block -- SB1078 Echo PB-620H - Echo Backpack Blower (SN: P04712001001 - P04712999999) - Engine, Short Block -- SB1078 Echo PB-620H - Echo Backpack Blower (SN: P04813001001 - P04813999999) - Engine, Short Block -- SB1078 Echo PB-620ST - Echo Backpack Blower (SN: P03711001001 - P03711999999) - Engine, Short Block -- SB1078 Echo PB-620ST - Echo Backpack Blower (SN: P03812001001 - P03812999999) - Engine, Short Block -- SB1078 Echo PB-620ST - Echo Backpack Blower (SN: P03913001001 - P03913999999) - Engine, Short Block -- SB1078\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEcho Pb620, Pb610, Pb620H, Pb620ST Blower Piston\u003c\/li\u003e\n\u003cli\u003eReplaces Echo Part # P021007450\u003c\/li\u003e\n\u003cli\u003eMake your Echo blower run like a boss again!\u003c\/li\u003e\n\u003cli\u003e**Family run business with 25 years of repair experience and parts sales\u003c\/li\u003e\n\u003cli\u003e**We are dedicated to high quality products and excellent customer service.**\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486050062493,"sku":"PJ-7A52-DXKK","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/71HttehRmIL.jpg?v=1793400397"},{"product_id":"lil-red-barn-stihl-046-ms460-046-magnum-piston-kit-52mm-replaces-part-1128-030-2009-two-day-standard-shipping-to-all-50-states","title":"Compatible with Stihl 046, Ms460, 046 Magnum Piston Kit 52mm, Replaces Part # 1128-030-2009","description":"\u003cp\u003eCompatible with STIHL 046, 046 MAGNUM, MS460, MS460 MAGNUM PISTON KIT, 52MM, REPLACES PART #1128-030-2009. INCLUDES PISTON, RINGS PISTON CLIPS AND PISTON PIN HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with STIHL 046, MS460, 046 MAGNUM PISTON KIT 52MM\u003c\/li\u003e\n\u003cli\u003eREPLACES PART # 1128-030-2009\u003c\/li\u003e\n\u003cli\u003eTHIS IS A HIGH QUALITY REPLACEMENT PISTON KIT THAT IS NOT MADE IN CHINA OR TAIWAN\u003c\/li\u003e\n\u003cli\u003e**Family run business with 25 years of repair experience and parts sales\u003c\/li\u003e\n\u003cli\u003e**We strive to provide high quality parts and excellent customer service!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486050128029,"sku":"FD-KQGW-HMY2","price":26.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/61kQ1dj9_oL.jpg?v=1793400398"},{"product_id":"lil-red-barn-fits-husqvarna-562xp-560xp-cylinder-kit-46mm-genuine-oem-part-575355803-installation-instructions-included-two-day-standard-shipping-to-all-50-states","title":"Husqvarna 555 560XP 562XP Cylinder Piston Kit 46mm 575355805","description":"\u003cp\u003e46mm Cylinder and Piston Kit for the Husqvarna 555, 560XP, and 562XP This is a 46 mm cylinder and piston top-end kit for the Husqvarna 555\/560\/562 chainsaw family. It includes the cylinder, a piston with rings, wrist pin, needle bearing, circlips, and the decompression valve, and it replaces Husqvarna part number 575355805. The product images show the exact part and packaging so you can see what you are buying. Fitment Fits Husqvarna 555, 556, 560XP, 560XPG, 562XP, and 562XPG, and the Jonsered CS2258 and CS2260 - all with a 46 mm bore. It does not fit the smaller 550XP, which uses a different cylinder. Part number 575355805 is the current revision and supersedes the earlier 575355803 and 575355801. Assembly Use a piston stop tool and follow the Husqvarna torque specifications and ring orientation during assembly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eA 46 mm cylinder and piston top-end kit for the Husqvarna 555\/560\/562 chainsaw family. Includes the cylinder, piston with rings, wrist pin, needle bearing, circlips, and the decompression valve. Replaces Husqvarna 575355805.\u003c\/li\u003e\n\u003cli\u003eFits Husqvarna 555, 556, 560XP, 560XPG, 562XP, and 562XPG (and the Jonsered CS2258 and CS2260), all with the 46 mm bore. It does not fit the smaller 550XP, which uses a different cylinder.\u003c\/li\u003e\n\u003cli\u003eReplaces Husqvarna part number 575355805, the current revision. It also supersedes the earlier 575355803 and 575355801 numbers, which are the same cylinder assembly at earlier revisions.\u003c\/li\u003e\n\u003cli\u003eThe product images show the exact part and its packaging so you can confirm what you are buying before ordering.\u003c\/li\u003e\n\u003cli\u003eUse a piston stop tool and follow the Husqvarna torque and ring-orientation procedures during assembly. A cylinder that is scored beyond service should be replaced rather than honed.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Default Title","offer_id":34486050193565,"sku":"FO-X8RH-PY0P","price":209.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/61IFoUiMvCL.jpg?v=1793400399"},{"product_id":"lil-red-barn-compatible-with-john-deere-onan-113-0310-standard-piston-ring-set-for-log-splitters-fits-b43-b48-late-model-p216-p218","title":"Onan Piston Rings 113-0310 3.250 Bore B43 B48 P216 P218","description":"\u003cp\u003eStandard bore piston ring set for the 3.250 inch Onan opposed twin. Replaces Onan 113-0310. FITS B43, B48 P216, P218, P220, P248 OL16, OL18, OL20 LX720, LX770, LX790 RING STACK Top compression - .058 inch Second compression - .058 inch Oil control - .125 inch, three piece ONE SET, ONE CYLINDER. These are opposed twin engines. A complete engine needs two sets. Order both before you take it apart. WHICH RING SET YOUR ENGINE NEEDS - GO BY THE PISTON. Onan used two ring groove thicknesses on this one bore, and it is the piston that decides, not the model or the year: Piston casting 112-0277 - .058 inch grooves - ring set 113-0310 - THIS SET Castings 112-0163 and 112-0246 - .077 inch grooves - ring set 113-0314 Because 112-0264 is the only piston Onan still supplies, an engine rebuilt at any point in the last few decades is likely to be on the .058 grooves regardless of when it was built. That is why the piston is the check and the model number is not. THE COIN TEST. A penny measures close to .058 inch. If a penny fits the top two grooves, this is your set. NOT THE BF. The BF is 3-1\/8 inch bore. A BF that has been bored to 3-1\/4 inch and fitted with the current piston does take this set, but a standard BF does not. OVERSIZES 113-0310-01 - .010 inch 113-0310-02 - .020 inch 113-0310-03 - .030 inch Replace both pistons as a pair. A mismatched pair runs out of balance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFITS THE 3.250 INCH BORE ONAN TWINS - B43, B48, P216, P218, P220, P248, OL16, OL18, OL20 and the LX720, LX770 and LX790. Replaces Onan 113-0310. Ring stack is .058 top, .058 second and a .125 three-piece oil control ring.\u003c\/li\u003e\n\u003cli\u003eONE SET DOES ONE CYLINDER - These are opposed twins. A complete engine needs TWO sets. This is the single most common ordering mistake on this part, and it is worth getting right before you split the engine down rather than halfway through.\u003c\/li\u003e\n\u003cli\u003eTHE CHECK IS YOUR PISTON, NOT YOUR MODEL YEAR - Onan used two ring thicknesses on this bore and the difference is the piston, not the engine's age. Piston casting 112-0277 has .058 inch grooves and takes this set. The earlier castings, 112-0163 and 112-0246, have .077 inch grooves and take 113-0314 instead. An engine rebuilt at any point in the last forty years may have either.\u003c\/li\u003e\n\u003cli\u003eTHE COIN TEST - A penny is very close to .058 inch. If a penny slides into the top two ring grooves, this is your set. If the grooves are noticeably wider and a penny rattles, you need 113-0314. It is crude and it works, and it beats guessing from the model number.\u003c\/li\u003e\n\u003cli\u003eNOT THE BF, AND CHECK BEFORE YOU BUY OVERSIZE - The BF is a 3-1\/8 inch bore engine and is not covered here, though a BF that has been bored out to 3-1\/4 inch and fitted with the current piston does take this set. Oversizes are 113-0310-01 at .010, -02 at .020 and -03 at .030. Replace both pistons as a pair or the engine runs out of balance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Default Title","offer_id":34486050226333,"sku":"6Z-4936-UE3B","price":22.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/71WdraTxYYL.jpg?v=1793400399"},{"product_id":"lil-red-barn-stihl-064-066-ms660-ms650-crankshaft-bearings-seals-quality-reproduction-two-day-standard-shipping-to-all-50-states","title":"Compatible with Stihl 064, 066, MS660, MS650 Crankshaft Bearings \u0026 Seals Quality Reproduction","description":"\u003cp\u003eCompatible with Stihl 064 066, 066 Magnum, Ms660, Ms660 Magnum, Ms650 Replacement Crankshaft Bearings And Seals, Replaces Stihl Part #9523-003-4555, 9503-003-6676, 9640-003-1850, 9640-003-1560. Note On Flywheel Side Crankshaft Seals, Stihl Has Used 2 Different Sizes, 15x22x4 Which We Provide In This Kit, If You Have Seals That Measures 13.5x20x4 Up To Serial Number X33 917 065, We Have And You Need To Contact Us So We Ship You The Correct Seals The First Time Up To Serial Number X33 917 065\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Stihl 064 066, 066 Magnum, Ms660, Ms660 Magnum, Ms650 Replacement Crankshaft Bearings And Seals,\u003c\/li\u003e\n\u003cli\u003eReplaces Stihl Part #9523-003-4555, 9503-003-6676, 9640-003-1850, 9640-003-1560.\u003c\/li\u003e\n\u003cli\u003eSee notes in description below\u003c\/li\u003e\n\u003cli\u003e**Family run business with 25 years of repair experience and parts sales\u003c\/li\u003e\n\u003cli\u003e**We are dedicated to high quality products and excellent customer service.**\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Default Title","offer_id":34486050259101,"sku":"MQ-6L6B-MXJA","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/61pc1je4bTL.jpg?v=1793400428"},{"product_id":"lil-red-barn-fits-husqvarna-435-435t-440-piston-kit-41mm-replaces-part-502625002-two-day-standard-shipping-to-all-50-states","title":"Fits Husqvarna 435, 440 Piston Kit 41mm Replaces Part # 502625002","description":"\u003cp\u003eFits Husqvarna 435, 440 41MM, INCLUDES EVERYTHING IN THE PICTURE, REPLACES HUSQVARNA PART # 502625002, THIS KIT WILL FIT THE 435, 435T, 440 CHAINSAW, BE SURE TO MIC YOUR PISTON ASSEMBLY TO ENSURE CORRECT MM SIZE BEFORE ORDERING\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits Husqvarna 435, 440 PISTON KIT\u003c\/li\u003e\n\u003cli\u003e41MM\u003c\/li\u003e\n\u003cli\u003eREPLACES PART # 502625002\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486061564061,"sku":"MN-BGHQ-SC07","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/51AQ1wnCzgL.jpg?v=1793400429"},{"product_id":"piston-kit-fits-partner-k1200-k12-concrete-cut-off-saw-56mm-replaces-partner-part-505341267-two-day-shipping-to-all-50-states","title":"Piston Kit Fits Partner K1200, K12 Concrete Cut Off Saw 56mm, Replaces Partner Part # 505341267","description":"\u003cp\u003ePartner K1200, K12 Piston Kit, 56mm, Replaces Part # 505341267. Note: Make Sure This Piston Kit Will Replace Your K12 Piston By Part Number, Some K12 Saws Will Use A Different Piston.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePartner K1200, K12 Piston Kit, 56mm,\u003c\/li\u003e\n\u003cli\u003eReplaces Part # 505341267.\u003c\/li\u003e\n\u003cli\u003eMEASURE THE BORE BEFORE ORDERING - A caliper across the old piston crown settles which version of the engine you have, and it is the only test that does. Ordering by horsepower or by year is how the wrong part ends up on the bench, because the same machine was often built in more than one bore. The number this replaces is 505341267.\u003c\/li\u003e\n\u003cli\u003eCHECK RING END GAP IN THIS CYLINDER - Not in the old one. Square the ring in the bore, measure the gap with a feeler, and check side clearance in the piston groove while you are there. A ring that is tight at operating temperature will break a land.\u003c\/li\u003e\n\u003cli\u003eWORK OUT WHY THE OLD ONE FAILED - A scored bore had a cause. A hardened crankshaft seal or a split impulse line leans the mixture out and will take the new piston the same way it took the old one. Pressure and vacuum test the crankcase before the machine goes back together.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Aluminum","offer_id":34486061629597,"sku":"AL-HCH6-3S48","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/618ODuFwlmL.jpg?v=1793400457"},{"product_id":"lil-red-barn-two-piston-kits-fits-kohler-kt17-m18-mv16-mv18-replaces-kohler-52-874-14-s-with-replacement-rings-52-108-10-s-020-oversize-bore-two-day-standard-shipping-to-all-50-states","title":"Two Piston Kits Fits Kohler KT17, M18, MV16, MV18, Replaces Kohler# 52-874-14-S, with Replacement Rings 52-108-10-S,.020 Oversize Bore","description":"\u003cp\u003ePISTON KIT Compatible with Kohler KT17, M18, MV16, MV18, 52-874-14-S,COMES WITH REPLACEMENT RINGS 52-108-11-S, .020\"\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTwo Piston Kits Compatible with Kohler Kt17, M18, Mv16, Mv18\u003c\/li\u003e\n\u003cli\u003eReplaces # 52-874-14-S\u003c\/li\u003e\n\u003cli\u003eBring Your Engine Back To Life\u003c\/li\u003e\n\u003cli\u003eCHECK RING END GAP IN THE BORE EACH RING WILL RUN IN - Square the ring in that cylinder, measure with a feeler gauge, and check side clearance in the piston groove. Rings fitted without that check are the commonest reason a fresh top end does not hold compression.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Default Title","offer_id":34486061662365,"sku":"SJ-4ILO-8HV9","price":184.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/71SDB39_tqL.jpg?v=1793400458"},{"product_id":"lil-red-barn-jonsered-535-piston-kit-45mm-replaces-part-503163801-two-day-standard-shipping-to-all-50-states","title":"Jonsered 535 Piston Kit 45mm, Replaces Part # 503163801","description":"\u003cp\u003eJONSERED 535 PISTON KIT 45MM, REPLACES PART # 503163801.INCLUDES PISTON, RINGS, PISTON PIN AND PISTON PIN CLIPS HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eJONSERED 535 PISTON KIT 45MM\u003c\/li\u003e\n\u003cli\u003eREPLACES PART # 503163801\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486062350493,"sku":"U1-9VDK-ND82","price":36.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/71HlUEB4NcL.jpg?v=1793400458"},{"product_id":"lil-red-barn-compatible-with-husqvarna-k960-k970-cylinder-piston-56mm-replaces-part-544935603-installation-instructions-included-two-day-standard-shipping-to-all-50-states","title":"Compatible with Husqvarna K960, K970 Cylinder \u0026 Piston 56mm, Replaces Part # 544935603 Installation Instructions Included","description":"\u003cp\u003eCompatible with Husqvarna PISTON AND CYLINDER REPLACEMENT, 56MM, REPLACES PART # 544935603\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Husqvarna K960, K970 CYLINDER \u0026amp; PISTON\u003c\/li\u003e\n\u003cli\u003e56 MM\u003c\/li\u003e\n\u003cli\u003eREPLACES PART # 544935603\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486062514333,"sku":"J4-39OA-6E4F","price":89.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/61hXXRxh4GL.jpg?v=1793400481"},{"product_id":"lil-red-barn-stihl-ms201t-piston-kit-40mm-replaces-stihl-part-1145-030-2001-two-day-standard-shipping-to-all-50-states","title":"Stihl Ms201t Piston Kit 40mm, Replaces Stihl Part # 1145 030 2001","description":"\u003cp\u003eSTIHL MS201T PISTON KIT 40MM, REPLACES STIHL PART # 1145 030 2001 HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSTIHL MS201T PISTON KIT 40MM,\u003c\/li\u003e\n\u003cli\u003eREPLACES STIHL PART # 1145 030 2001\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486074343581,"sku":"IF-XTOT-DFMR","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/71IG3aalf6L.jpg?v=1793400482"},{"product_id":"lil-red-barn-piston-kit-fits-echo-pb-500t-pb-500h-pb-508rt-backpack-blowers-43mm-replaces-echo-part-p021045170-two-day-shipping-to-all-50-states","title":"Piston Kit for Echo PB-500T Backpack Blower 43mm P021045170","description":"\u003cp\u003ePiston Kit for Echo PB-500 Backpack Blowers This piston kit replaces Echo part number P021045170 and fits the 50.8cc single-cylinder two-cycle engine used in the PB-500 series backpack blower. It supersedes the earlier P021014972 and P021044131 kits. The 43mm-bore kit includes the piston, piston ring(s), wrist pin, and clips for one engine. Fitment Compatible with Echo PB-500T, PB-500H, and PB-508RT (also listed as EB-508RT) gas backpack leaf blowers. All three share the same 50.8cc engine with a 43mm cylinder bore. Confirming Fit Check the model number on the blower's rating label and the part number on the original piston. This piston fits the 50.8cc PB-500 engine only – the PB-580 (58.2cc) uses a larger engine with a different piston and bore, so match the 50.8cc, 43mm specification before ordering. If the cylinder is scored, this engine family also uses a matched cylinder-and-piston kit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOne piston kit for the single-cylinder 50.8cc engine in Echo PB-500 backpack blowers, replacing part number P021045170 (and superseding the older P021014972 and P021044131). The 43mm-bore kit includes the piston, piston ring(s), wrist (piston) pin, and clips for one engine.\u003c\/li\u003e\n\u003cli\u003eCompatible with Echo PB-500T, PB-500H, and PB-508RT (also shown as EB-508RT) gas backpack leaf blowers, all built on the same 50.8cc two-cycle engine with a 43mm cylinder bore.\u003c\/li\u003e\n\u003cli\u003eMatch your model before ordering. This piston is for the 50.8cc PB-500 engine only. The PB-580 (58.2cc) and other Echo blowers use a larger engine with a different piston and bore, so a PB-580 kit will not interchange with this one.\u003c\/li\u003e\n\u003cli\u003eTo confirm fit, check the model number on the blower's rating label and the part number stamped on the original piston or listed in your parts diagram. The engine should be the 50.8cc class with a 43mm bore.\u003c\/li\u003e\n\u003cli\u003eIf the cylinder is scored or worn, this engine also uses a matched cylinder-and-piston kit. A ring compressor eases seating the ring during reassembly, and a fresh set of gaskets is recommended whenever the engine is opened.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Default Title","offer_id":34486077948061,"sku":"P4-1ME1-7Z93","price":33.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/61P8jmWX4aL.jpg?v=1793400510"},{"product_id":"lil-red-barn-stihl-028-028av-028wb-028-super-piston-assembly-46mm-2-day-standard-shipping-to-all-50-states","title":"Compatible with Stihl 028, 028AV, 028WB, 028 Super, Piston Assembly 46mm","description":"\u003cp\u003eHigh quality replacement piston for Stihl 028, 028AV, 028WB. 028 SUPER 46mm replaces part number 1118-030-2001 HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Stihl 028, 028AV, 028WB, 028 SUPER\u003c\/li\u003e\n\u003cli\u003ePiston Assembly 46mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486088499357,"sku":"35-S7NG-XXAI","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/611esNbdjbL.jpg?v=1793400537"},{"product_id":"piston-kit-fits-jonsered-2051-2051-turbo-chainsaws-45mm-replaces-jonsered-part-503180701-two-day-standard-shipping-to-all-50-states","title":"Piston Kit Fits Jonsered 2051 and 2051 Turbo 45mm 503180701","description":"\u003cp\u003ePiston kit for the Jonsered 2051 and 2051 Turbo chainsaws, 45mm bore, replacing Jonsered part number 503180701. The kit contains the piston, rings, wrist pin, circlips and the small end bearing - a complete top end for one cylinder. The cylinder, base gasket and crankshaft seals are not included. This kit does not fit the Jonsered 2050, which is a 44mm engine on part number 503625601, and it does not fit the 2054, which is 46mm on part number 503608171. One millimeter is not something you can judge by eye, so measure across the crown of the old piston before ordering. We list the 2050 and the 2054 kits separately. A scored piston is normally the result of an air leak at a crankshaft seal or impulse line, so pressure and vacuum test the crankcase before reassembly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFITS THE JONSERED 2051 AND 2051 TURBO - 45mm bore, replacing Jonsered part number 503180701. This is the kit for a saw that has lost compression, will not hold an idle once hot, or has picked up scoring on the exhaust side of the piston.\u003c\/li\u003e\n\u003cli\u003eREAD THIS IF YOU HAVE A 2050 - The 2050 is NOT this kit. It is a 44mm engine and takes part number 503625601, a one millimeter difference you cannot see by eye and cannot correct once the piston is in. The 2054 is different again at 46mm. We stock all three separately, so order against the number stamped on your saw or against a caliper reading, never against the model name alone.\u003c\/li\u003e\n\u003cli\u003eWHAT IS IN THE BOX - Piston, rings, wrist pin, circlips and the small end bearing - a complete top end for one cylinder. The cylinder, base gasket and crankshaft seals are not included. If the old piston was scored rather than simply worn, budget for the seals at the same time.\u003c\/li\u003e\n\u003cli\u003eWORK OUT WHY THE OLD ONE FAILED - A scored bore had a cause, and on this family it is usually a hardened crankshaft seal or a split impulse line leaning the mixture out. It will take the new piston the same way it took the old one. Pressure and vacuum test the crankcase before the saw goes back together, and check the impulse line while the cylinder is off.\u003c\/li\u003e\n\u003cli\u003eWHILE IT IS APART - Square each ring in this cylinder and measure the end gap with a feeler, then check side clearance in the piston groove. A ring that is tight at operating temperature will break a land. Decarbon the exhaust port, fit a fresh base gasket, and pull the cylinder down evenly in a cross pattern rather than one bolt at a time.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Default Title","offer_id":34486088532125,"sku":"PL-BA8K-O4K7","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/61fLZgrQgTL.jpg?v=1793400537"},{"product_id":"stihl-019-ms190-40mm-replacement-piston-kit-replaces-stihl-1132-030-2000-two-day-standard-shipping-to-all-50-states","title":"Compatible with Stihl 019, Ms190 40mm Replacement Piston Kit Replaces Stihl# 1132-030-2000","description":"\u003cp\u003eCompatible with STIHL 019, MS190 40MM REPLACEMENT PISTON KIT REPLACES OEM# 1132-030-2000.INCLUDES CYLINDER, PISTON, PISTON RINGS, CLIPS, PIN. HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with STIHL 019, MS190 40MM REPLACEMENT PISTON KIT\u003c\/li\u003e\n\u003cli\u003eREPLACES OEM# 1132-030-2000\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486089187485,"sku":"7W-NM9O-39TI","price":26.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/61KXYTdQYVL.jpg?v=1793400570"},{"product_id":"lil-red-barn-stihl-028-piston-kit-42mm-replaces-stihl-part-1118-030-20-two-day-standard-shipping-to-all-50-states","title":"Stihl 028 Piston Kit, 42mm, Replaces Stihl Part # 1118-030-20","description":"\u003cp\u003eSTIHL 028 REPLACEMENT PISTON ASSEMBLY, 42MM, REPLACES STIHL PART # 1118-030-20 HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSTIHL 028 PISTON KIT, 42MM\u003c\/li\u003e\n\u003cli\u003eREPLACES STIHL PART # 1118-030-20\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486089220253,"sku":"LR-EDMM-W5H4","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/71uZThlqIUL.jpg?v=1793400570"},{"product_id":"lil-red-barn-husqvarna-180-280-380-480-piston-kit-52mm-replaces-husqvarna-part-501250406-two-day-standard-shipping-to-all-50-states","title":"Husqvarna 180, 280, 380, 480 Piston Kit 52mm, Replaces Husqvarna Part # 501250406","description":"\u003cp\u003eHUSQVARNA 180, 280, 380, 480 PISTON KIT 52MM, REPLACES PART # 501250406 HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHusqvarna 180, 280, 380, 480 Piston Kit 52mm\u003c\/li\u003e\n\u003cli\u003eReplaces Husqvarna Part # 501250406\u003c\/li\u003e\n\u003cli\u003eNOT MADE IN CHINA OR TAIWAN\u003c\/li\u003e\n\u003cli\u003e**Family run business with 25 years of repair experience and parts sales\u003c\/li\u003e\n\u003cli\u003e**We strive to provide high quality parts and excellent customer service!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486089449629,"sku":"9T-FSC8-0CXT","price":36.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/616KBsHJEBL.jpg?v=1793400571"},{"product_id":"lil-red-barn-stihl-026-big-bore-piston-cylinder-kit-44-7mm-replaces-stihl-1121-020-1209-installation-instructions-included-2-day-standard-shipping-to-all-50-states","title":"Stihl 026 MS260 44.7mm Cylinder Piston Kit 1121 020 1217","description":"\u003cp\u003eLil Red Barn 44.7mm Cylinder and Piston Kit for Stihl 026, 026 Pro, MS260 and MS260 Pro Cylinder, piston, rings, piston pin and circlips, replacing Stihl 1121 020 1217. WHAT IS INCLUDED 44.7mm cylinder, with the decompression port and a plug 44.7mm piston with rings Piston pin and circlips 44.7MM IS A FACTORY SIZE, NOT A TUNING PART 44.7mm is the bore Stihl fitted to MS260s built after serial 2 62 187 362, and it is the factory supersession for the earlier 44mm saws. On a late MS260 this is a stock replacement. On an early 026 or MS260 it is the superseded part, and it takes the engine from 48.7cc to 50.2cc - a real change of about three percent, and the change Stihl made themselves. DECOMPRESSION, EITHER WAY The cylinder has the decompression port and ships with a plug, so it suits a saw with the valve and a saw without. A valve transfers across from the old cylinder; without one, the plug seals the port. HOW TO IDENTIFY YOUR CYLINDER Caliper the bore - 44.0mm against 44.7mm is seven tenths of a millimeter and easily read. The 44.7 always carries cast lettering on the transfer tunnels, while the 44mm generally has very little. A step in the cylinder base means 44.7; no step is inconclusive. The 44.7 runs 1.2mm rings. A STRAIGHT BOLT-ON No carburetor, muffler or head change is required. Measure squish with solder through the plug hole before assembly, clean up rough casting in the ports, check ring end gap in the new cylinder, and use a ring compressor.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e44.7MM CYLINDER AND PISTON ASSEMBLY - Cylinder, piston, rings, piston pin and circlips, replacing Stihl 1121 020 1217. This is not an aftermarket big bore. 44.7mm is the factory bore on MS260s built after serial 2 62 187 362, and it is Stihl's own supersession for the earlier 44mm saws, so it is the correct part for both and a stock part for the later ones.\u003c\/li\u003e\n\u003cli\u003eWHICH BUYER YOU ARE - If you have a late MS260, this is simply your replacement cylinder, the same size it left the factory. If you have an early 026 or early MS260 at 44mm, this is the factory-superseded part and it happens to take you from 48.7cc to 50.2cc, a gain of about three percent. Both are legitimate; neither needs anything else changed on the saw.\u003c\/li\u003e\n\u003cli\u003eTHE DECOMPRESSION PORT IS THERE AND IT SHIPS WITH A PLUG - So this cylinder serves a saw with a decompression valve and a saw without one. If yours has the valve, it transfers from the old cylinder. If it does not, the plug goes in and the port is sealed. That is one less thing to get wrong at the parts counter, and it is worth knowing before you order.\u003c\/li\u003e\n\u003cli\u003eHOW TO TELL WHAT YOU HAVE ON THE BENCH - Caliper the bore: 44.0mm against 44.7mm is seven tenths of a millimeter and any caliper reads it. Short of that, look at the cylinder. The 44.7 always carries cast lettering on the transfer tunnels and the 44mm generally has very little. A step in the cylinder base means 44.7; no step is inconclusive. The 44.7 runs 1.2mm rings.\u003c\/li\u003e\n\u003cli\u003eA STRAIGHT BOLT-ON - No carburetor, muffler or head change is needed, because this is a factory supersession for the same saw. Clean up any rough casting in the ports, check ring end gap in this cylinder rather than the old one, and use a ring compressor on assembly. If you are building for compression rather than repairing, that is when squish is worth measuring with solder through the plug hole.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486089482397,"sku":"DX-O33V-GFE5","price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/71WSWs8AChL.jpg?v=1793400571"},{"product_id":"lil-red-barn-fits-husqvarna-372xp-x-torq-365-x-torq-piston-kit-50mm-replaces-577207702-two-day-standard-shipping-to-all-50-states","title":"Fits Husqvarna 372xp X-torq, 365 X-torq Piston Kit 50mm Replaces 577207702","description":"\u003cp\u003eFits Husqvarna 372XP X-TORQ, 365 X-TORQ PISTON KIT, 50MM, INCLUDES EVERYTHING IN THE PICTURE, THIS KIT WILL FIT THE NEW STYLE 372XP AND 365 SAWS THAT HAVE THE DECOMPRESSION VALVE ON TOP OF THE CYLINDER. REPLACES 577207702 OR 510443902 HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits Husqvarna 372XP X-TORQ, 365 X-TORQ PISTON KIT 50MM\u003c\/li\u003e\n\u003cli\u003eREPLACES 577207702, 510443902\u003c\/li\u003e\n\u003cli\u003eTHIS IS A HIGH QUALITY REPLACEMENT PISTON KIT THAT IS NOT MADE IN CHINA OR TAIWAN\u003c\/li\u003e\n\u003cli\u003e**Family run business with 25 years of repair experience and parts sales\u003c\/li\u003e\n\u003cli\u003e**We strive to provide high quality parts and excellent customer service!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486089777309,"sku":"RO-84XW-KT1W","price":32.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/91iXycPXV7L.jpg?v=1793400597"},{"product_id":"lil-red-barn-husqvarna-359-piston-kit-47mm-replaces-husqvarna-part-537157202-two-day-standard-shipping-to-all-50-states","title":"Husqvarna 359 Piston Kit, 47mm, Replaces Husqvarna Part # 537157202","description":"\u003cp\u003eHUSQVARNA REPLACEMENT PISTON KIT 47MM INCLUDES RING, PISTON PIN AND PISTON PIN CLIPS, REPLACE HUSQVARNA 537157202 SUITABLE FOR THESE HUSQVARNA MODELS: 359 HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHusqvarna 359, Piston \u0026amp; Ring Kit, 47mm\u003c\/li\u003e\n\u003cli\u003eReplaces Husqvarna Part # 537157202\u003c\/li\u003e\n\u003cli\u003eNOT MADE IN CHINA OR TAIWAN\u003c\/li\u003e\n\u003cli\u003e**Family run business with 25 years of repair experience and parts sales\u003c\/li\u003e\n\u003cli\u003e**We strive to provide high quality parts and excellent customer service!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486090236061,"sku":"2E-OB68-0OWH","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/51Em055-9nL.jpg?v=1793400597"},{"product_id":"lil-red-barn-compatible-with-husqvarna-550-545-piston-kit-43mm-replaces-part-577047002-two-day-standard-shipping-to-all-50-states","title":"43mm Piston Kit Fits Husqvarna 545 550XP 577047002","description":"\u003cp\u003eA 43mm piston kit for the Husqvarna 545 and 550XP chainsaws. It replaces 577047002, since superseded to 577047008. A scored piston is usually a lean condition, so pressure and vacuum test the crankcase and fix any air leak or fuel fault before the new piston goes in. Measure ring end gap in the bore, use a ring compressor and fit the circlips fully.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePISTON KIT - Piston, rings, wrist pin and circlips.\u003c\/li\u003e\n\u003cli\u003eFITS HUSQVARNA 545 AND 550XP - Check the model on the starter cover and measure the old piston before ordering.\u003c\/li\u003e\n\u003cli\u003eREPLACES 577047002 - Since superseded to 577047008, so either number gets you here.\u003c\/li\u003e\n\u003cli\u003eCHECK RING END GAP IN THIS CYLINDER - Square the ring in the bore, measure the gap with a feeler, and check side clearance in the groove. Use a ring compressor and fit the circlips with the open end away from the notch.\u003c\/li\u003e\n\u003cli\u003eFIND THE CAUSE FIRST - A scored piston is usually a lean condition: an air leak at the intake or crank seals, or a fuel fault. Pressure and vacuum test the crankcase before the new piston goes in.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486090334365,"sku":"0R-U2PZ-0F6X","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/61HlCxV-q-L.jpg?v=1793400598"},{"product_id":"lil-red-barn-stihl-ms361-piston-cylinder-assembly-47mm-includes-gaskets-replaces-stihl-1135-020-1202-installation-instructions-included-2-day-standard-shipping-to-all-50-states","title":"Compatible with Stihl MS361 Piston \u0026 Cylinder Assembly 47mm Includes Gaskets, Replaces # 1135-020-1202 Installation Instructions Included","description":"\u003cp\u003eThis is a suitable replacement piston and cylinder kit Compatible with Stihl MS 361. 47 mm bore. Replaces OEM# 1135-020-12021. HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with STIHL MS361 PISTON \u0026amp; CYLINDER with Gaskets\u003c\/li\u003e\n\u003cli\u003eREPLACES 1135-020-1202\u003c\/li\u003e\n\u003cli\u003eMEASURE THE BORE BEFORE ORDERING - A caliper across the old piston crown settles which version of the engine you have, and it is the only test that does. Ordering by horsepower or by year is how the wrong part ends up on the bench, because the same machine was often built in more than one bore. The number this replaces is 1135-020-1202.\u003c\/li\u003e\n\u003cli\u003eCHECK RING END GAP IN THIS CYLINDER - Not in the old one. Square the ring in the bore, measure the gap with a feeler, and check side clearance in the piston groove while you are there. A ring that is tight at operating temperature will break a land.\u003c\/li\u003e\n\u003cli\u003eWORK OUT WHY THE OLD ONE FAILED - A scored bore had a cause. A hardened crankshaft seal or a split impulse line leans the mixture out and will take the new piston the same way it took the old one. Pressure and vacuum test the crankcase before the machine goes back together.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486100328605,"sku":"LO-EN5F-C5FE","price":74.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/61FXPTVRMUL.jpg?v=1793400622"},{"product_id":"lil-red-barn-stihl-ms280-piston-kit-46mm-replaces-part-1133-030-2001","title":"Compatible with Stihl Ms280 Piston Kit 46mm, Replaces Part # 1133 030 2001","description":"\u003cp\u003eCompatible with STIHL MS280 PISTON KIT 46MM, REPLACES PART # 1133 030 2001\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with STIHL MS280 PISTON KIT 46MM\u003c\/li\u003e\n\u003cli\u003eREPLACES PART # 1133 030 2001\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486100590749,"sku":"A5-FPFC-LW8G","price":27.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/613CTnC8QXL.jpg?v=1793400622"},{"product_id":"lil-red-barn-stihl-ms230-ms250-piston-cylinder-42-5mm-replaces-oem-1123-020-1209-new","title":"Compatible with Stihl MS230, MS250 Piston \u0026 Cylinder 42.5mm, Replaces OEM # 1123-020-1209,new","description":"\u003cp\u003eCompatible with Stihl Ms230, Ms250 Replacement Piston And Cylinder Kit 42.5mm, Replaces Stihl 1123-020-1209, Includes Cylinder, Piston, Rings Piston Pin And Clips, 42.5mm Diameter HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with STIHL MS230, MS250 PISTON \u0026amp; CYLINDER 42.5MM\u003c\/li\u003e\n\u003cli\u003eREPLACES OEM # 1123-020-1209\u003c\/li\u003e\n\u003cli\u003eNOT MADE IN CHINA OR TAIWAN\u003c\/li\u003e\n\u003cli\u003e**Family run business with 25 years of repair experience and parts sales\u003c\/li\u003e\n\u003cli\u003e**We are dedicated to high quality products and excellent customer service.**\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486100787357,"sku":"UQ-Y8M0-G7MI","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/61eSx8LkIhL.jpg?v=1793400623"},{"product_id":"lil-red-barn-husqvarna-445-piston-kit-42mm-replaces-husqvarna-part-544088403-quality-reproduction-two-day-standard-shipping-to-all-50-states","title":"Husqvarna 445 Piston Kit, 42mm, Replaces Husqvarna Part # 544088403 Quality Reproduction","description":"\u003cp\u003eHusqvarna 445 Piston Kit, 42mm, Replaces Husqvarna Part # 544088403 Quality Reproduction.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHusqvarna 445 Piston Kit, 42mm\u003c\/li\u003e\n\u003cli\u003eReplaces Husqvarna Part # 544088403 Quality Reproduction\u003c\/li\u003e\n\u003cli\u003eProudly selling on Amazon since 2014\u003c\/li\u003e\n\u003cli\u003e**Family run business with 25 years of repair experience and parts sales\u003c\/li\u003e\n\u003cli\u003e**We are dedicated to high quality products and excellent customer service.**\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Default Title","offer_id":34486100820125,"sku":"S0-NHSC-UZPS","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/71D0iqh-dlL.jpg?v=1793400652"},{"product_id":"lil-red-barn-stihl-fs450-cylinder-piston-kit-42mm-replaces-stihl-4128-020-1211-two-day-standard-shipping-to-all-50-states-installation-instructions-included","title":"Stihl Fs450 Cylinder \u0026 Piston Kit, 42mm, Replaces Stihl # 4128-020-1211 Installation Instructions Included","description":"\u003cp\u003eSTIHL FS450 CYLINDER \u0026amp; PISTON KIT, 42MM, REPLACES STIHL # 4128-020-1211 HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eStihl Fs450 Cylinder \u0026amp; Piston Kit, 42mm\u003c\/li\u003e\n\u003cli\u003eReplaces Stihl # 4128-020-1211\u003c\/li\u003e\n\u003cli\u003eNOT MADE IN CHINA OR TAIWAN\u003c\/li\u003e\n\u003cli\u003e**Family run business with 25 years of repair experience and parts sales\u003c\/li\u003e\n\u003cli\u003e**We strive to provide high quality parts and excellent customer service!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486101016733,"sku":"UV-0V0Q-7AKG","price":69.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/719GPg6I6BL.jpg?v=1793400652"},{"product_id":"lil-red-barn-shindaiwa-eb633rt-backpack-blower-cylinder-piston-kit-48mm-installation-instructions-included-two-day-standard-shipping-to-all-50-states","title":"Shindaiwa Eb633RT Backpack Blower Cylinder \u0026 Piston Kit, 48mm Installation Instructions Included","description":"\u003cp\u003eShindaiwa Eb633RT Backpack Blower Cylinder \u0026amp; Piston Kit, 48mm\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eShindaiwa Eb633RT Backpack Blower Cylinder \u0026amp; Piston Kit, 48mm\u003c\/li\u003e\n\u003cli\u003eQuality Reproduction from Performance Saw Supply\u003c\/li\u003e\n\u003cli\u003eShips Priority Mail\u003c\/li\u003e\n\u003cli\u003e**Family run business with 25 years of repair experience and parts sales\u003c\/li\u003e\n\u003cli\u003e**We are dedicated to high quality products and excellent customer service.**\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Default Title","offer_id":34486101049501,"sku":"N5-AUMR-JUIK","price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/615hGHCCsZL.jpg?v=1793400652"},{"product_id":"lil-red-barn-piston-kit-fits-stihl-ms462-ms462c-chainsaws-52mm-replaces-stihl-1142-030-2004-two-day-standard-shipping-to-all-50-states","title":"Piston Kit Stihl MS462 MS462C 52mm 1142-030-2004 72.2cc","description":"\u003cp\u003ePiston kit for the Stihl MS462 and MS462 C-M. Bore 52mm. Replaces Stihl 1142-030-2004. SPECIFICATION Bore - 52mm Displacement - 72.2cc Rings - 1.2mm TWO GENERATIONS. Stihl redesigned the case, cylinder and piston partway through this saw's production. 1142-030-2004 is the earlier piston and 1142-030-2006 is the current number. They do not interchange - the later piston will not fit the earlier case. If your saw's history is unknown, have a dealer look it up by serial number. NOT THE 046 OR MS460. Those saws are also 52mm bore, which is the whole problem. Everything else about them is different: MS462 - 52mm bore - 34mm stroke - 72.2cc - piston 1142-030-2004 or 2006 046 and MS460 - 52mm bore - 36mm stroke - 76.5cc - piston 1128-030-2009 Two millimeters of stroke means a different compression height, so the crown would sit in the wrong place relative to the ports. Nothing crosses. HOW TO TELL THEM APART ON THE BENCH. The MS462 is a stratified-charge engine: look at the intake side and you will find a second air passage feeding the cylinder separately from the fuel and air charge. The 046 and MS460 have a single carburetor boot. The MS462 also runs M-Tronic engine management, so most versions have no adjustment screws. The 1142 prefix is MS462 only. BEFORE YOU FIT A PISTON ALONE. Check the cylinder through the exhaust port with the muffler off. And on a saw with electronic fuel management, a seizure has a cause somewhere upstream - a new piston in an engine that is still running lean will fail the same way.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFITS THE STIHL MS462 AND MS462 C-M - 52mm bore, 72.2cc. Replaces Stihl 1142-030-2004. The 1142 prefix belongs to the MS462 alone, so a 1142 number on your parts diagram means this saw and no other.\u003c\/li\u003e\n\u003cli\u003eTWO GENERATIONS - AND THE PISTONS DO NOT CROSS - Stihl redesigned the case, cylinder and piston partway through this saw's life. 1142-030-2004 is the earlier piston; the current Stihl number is 1142-030-2006. The new piston will not fit the older case. If you are not certain which you have, have a dealer look it up by your saw's serial number before ordering.\u003c\/li\u003e\n\u003cli\u003eNOT THE 046 OR MS460 - AND THIS TRIPS PEOPLE - The 046 and MS460 are ALSO 52mm. They are not related to this saw. Their stroke is 36mm against the MS462's 34mm, their displacement is 76.5cc against 72.2cc, and they take piston 1128-030-2009 with a completely different wrist pin. The shared bore is a coincidence.\u003c\/li\u003e\n\u003cli\u003eHOW TO TELL AN MS462 FROM A 52mm 1128 SAW - Look at the intake side of the cylinder. The MS462 is a stratified-charge engine and has a second, separate air passage feeding the cylinder alongside the fuel and air path. The 046 and MS460 have one plain carburetor boot. The MS462 also runs M-Tronic, so most versions have no carburetor adjustment screws at all.\u003c\/li\u003e\n\u003cli\u003eBEFORE FITTING A PISTON ALONE - Pull the muffler and look through the exhaust port. Straw colored transfer will hone out; deep scoring or lifted plating means the cylinder is done. On an M-Tronic saw a seizure usually has an electronic or air-leak cause upstream, so find out why before you rebuild it.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Default Title","offer_id":34486101082269,"sku":"8S-KEDA-0HFI","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/61DyZwp2xqL.jpg?v=1793400653"},{"product_id":"piston-kit-fits-jonsered-cs2258-cs2260-chainsaws-46mm-replaces-jonsered-part-5052155502-two-day-standard-shipping-to-all-50-states","title":"Piston Kit Fits Jonsered CS2258, CS2260 Chainsaws, 46mm, Replaces Jonsered Part # 5052155502","description":"\u003cp\u003ePiston Kit Fits Jonsered CS2258, CS2260 Chainsaws, 46mm, Replaces Jonsered Part # 5052155502\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePiston Kit Fits Jonsered CS2258, CS2260 Chainsaws, 46mm\u003c\/li\u003e\n\u003cli\u003eReplaces Jonsered Part # 5052155502\u003c\/li\u003e\n\u003cli\u003eMEASURE THE BORE BEFORE ORDERING - A caliper across the old piston crown settles which version of the engine you have, and it is the only test that does. Ordering by horsepower or by year is how the wrong part ends up on the bench, because the same machine was often built in more than one bore. The number this replaces is 5052155502.\u003c\/li\u003e\n\u003cli\u003eCHECK RING END GAP IN THIS CYLINDER - Not in the old one. Square the ring in the bore, measure the gap with a feeler, and check side clearance in the piston groove while you are there. A ring that is tight at operating temperature will break a land.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Default Title","offer_id":34486101147805,"sku":"6U-181E-6M2P","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/71i6PcfelPL.jpg?v=1793400677"},{"product_id":"lil-red-barn-homelite-750-chainsaw-piston-kit-57-15mm-replaces-homelite-part-a70572a-two-day-standard-shipping-to-all-50-states","title":"Homelite 750 Chainsaw Piston Kit, 57.15mm, Replaces Homelite Part # A70572A","description":"\u003cp\u003eHomelite 750 Chainsaw Piston Kit, 57.15mm, Replaces Homelite Part # A70572A HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHomelite 750 Chainsaw Piston Kit, 57.15mm\u003c\/li\u003e\n\u003cli\u003eReplaces Homelite Part # A70572A\u003c\/li\u003e\n\u003cli\u003eNOT MADE IN CHINA OR TAIWAN\u003c\/li\u003e\n\u003cli\u003e**Family run business with 25 years of repair experience and parts sales\u003c\/li\u003e\n\u003cli\u003e**We are dedicated to high quality products and excellent customer service.**\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486111994013,"sku":"DM-Z3JE-DIRU","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/610qh4IN-pL.jpg?v=1793400678"},{"product_id":"lil-red-barn-fits-husqvarna-372xp-365-50mm-x-torque-pop-up-piston-kit-extra-power-high-compression-two-day-standard-shipping-to-all-50-states","title":"Compatible with Husqvarna 372XP 365 50mm X Torque Pop Up Piston Kit Extra Power High Compression","description":"\u003cp\u003ePop Up Piston Kit Compatible with Husqvarna 372Xp, 365, 50mm, X-Torque Cylinders Only\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Husqvarna 372XP 365 50mm X Torque Pop Up Piston\u003c\/li\u003e\n\u003cli\u003eMEASURE THE BORE BEFORE ORDERING - A caliper across the old piston crown settles which version of the engine you have, and it is the only test that does. Ordering by horsepower or by year is how the wrong part ends up on the bench, because the same machine was often built in more than one bore.\u003c\/li\u003e\n\u003cli\u003eCHECK RING END GAP IN THIS CYLINDER - Not in the old one. Square the ring in the bore, measure the gap with a feeler, and check side clearance in the piston groove while you are there. A ring that is tight at operating temperature will break a land.\u003c\/li\u003e\n\u003cli\u003eWORK OUT WHY THE OLD ONE FAILED - A scored bore had a cause. A hardened crankshaft seal or a split impulse line leans the mixture out and will take the new piston the same way it took the old one. Pressure and vacuum test the crankcase before the machine goes back together.\u003c\/li\u003e\n\u003cli\u003eON ASSEMBLY - Use a ring compressor, fit the circlips with the open end away from the ports, and hone the bore so the rings have a surface to bed into. Turn the engine over by hand before the first start.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Default Title","offer_id":34486112223389,"sku":"H1-1KAS-QF0P","price":31.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/71EbestcQLL.jpg?v=1793400679"},{"product_id":"lil-red-barn-stihl-fs85-string-trimmer-piston-kit-34mm-replaces-stihl-part-4137-034-3000-two-day-standard-shipping-to-all-50-states","title":"Compatible with Stihl FS85 String Trimmer Piston Kit 34mm Replaces Part # 4137-034-3000","description":"\u003cp\u003eCompatible with STIHL FS85 PISTON KIT, SPECS: 34MM PISTON, 2 RINGS PISTON, INCLUDES PISTON PIN AND CLIPS, THIS IS A NEW PISTON REPLACEMENT KIT REPLACES STIHL PART # 4137-034-3000 HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Stihl FS85 String Trimmer Piston Kit 34mm\u003c\/li\u003e\n\u003cli\u003eReplaces Part # 4137-034-3000\u003c\/li\u003e\n\u003cli\u003eNOT MADE IN CHINA OR TAIWAN\u003c\/li\u003e\n\u003cli\u003e**Family run business with 25 years of repair experience and parts sales\u003c\/li\u003e\n\u003cli\u003e**We strive to provide high quality parts and excellent customer service!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486112288925,"sku":"YV-Q49L-GMPE","price":36.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/31S9cXZ8nfL.jpg?v=1793400706"},{"product_id":"lil-red-barn-echo-cs510-cs520-cs530-chainsaw-piston-kit-45mm-replaces-echo-part-p021006153-two-day-standard-shipping-to-all-50-states","title":"Echo CS-510 CS-520 CS-530 Two Ring Piston Kit 45mm P021006153","description":"\u003cp\u003eTwo ring piston kit for the Echo CS-510, CS-520 and CS-530 chainsaws, 45mm bore. Replaces Echo part number P021006153. All three saws share the same 45mm bore, so one kit covers the family. CONTENTS. Piston, two compression rings, wrist pin and circlips. The cylinder is not included. Cylinder base gasket, exhaust gasket and crankshaft seals are not included and all are worth replacing while the engine is open. A COUNT YOU CAN RUN IN A SECOND. This piston carries two compression rings. Count the rings on the piston you remove. If it has one ring, you have a different Echo engine and this is not the part for it. BEFORE REASSEMBLY. A scored bore is a symptom. On these saws the cause is usually a lean mixture from a hardened crankshaft seal, a split or perished impulse line, or an intake boot that has gone loose or cracked. Pressure and vacuum test the crankcase and fix what you find before the new piston goes in, because the new one will fail the same way the old one did. ON ASSEMBLY. Check ring end gap in the cylinder the rings will run in, and side clearance in the piston grooves. Hone the bore lightly. Use a ring compressor, fit the circlips with the open end away from the ports, and turn the engine over by hand before the first start.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e45MM TWO RING PISTON KIT FOR THE ECHO CS-510, CS-520 AND CS-530 - Piston, two compression rings, wrist pin and circlips, replacing Echo part number P021006153. All three of these saws share the 45mm bore, which is why one kit covers them. This is the repair for a saw down on compression, or one that has scored its bore running lean.\u003c\/li\u003e\n\u003cli\u003eWHAT IS IN THE BOX, AND WHAT IS NOT - Piston, two rings, wrist pin and circlips. The cylinder is NOT included, so this is for an engine whose bore is still good. Cylinder base and exhaust gaskets and the crankshaft seals are not included either. If the bore is scored or the plating has gone, the cylinder has to be replaced too and a piston on its own will not solve it.\u003c\/li\u003e\n\u003cli\u003eTWO RINGS, NOT ONE - This piston carries two compression rings. Count the rings on the piston you take out: if yours has one, you are looking at a different Echo engine and this is the wrong page. That single check takes a second with the old piston in your hand and it settles the question.\u003c\/li\u003e\n\u003cli\u003eFIND THE AIR LEAK BEFORE THE NEW PISTON GOES IN - A scored bore on these saws is nearly always a lean mixture, and the usual culprits are a hardened crankshaft seal, a split impulse line or a loose intake boot. Pressure and vacuum test the crankcase first. Fitting a new piston without finding the leak means doing this job twice.\u003c\/li\u003e\n\u003cli\u003eON ASSEMBLY - Check ring end gap in this cylinder rather than the old one, and side clearance in the piston grooves. Hone the bore so the rings have a surface to bed into. Use a ring compressor, fit the circlips with the open end away from the ports, turn the engine over by hand before starting, and run the first tank a little rich while the rings seat.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Default Title","offer_id":34486112321693,"sku":"6S-W1GC-LODT","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/817tHth0EdL.jpg?v=1793400707"},{"product_id":"lil-red-barn-husqvarna-61-piston-rings-replaces-husqvarna-part-503517401-48mm-two-day-standard-shipping-to-all-50-states","title":"Husqvarna 61 Piston \u0026 Rings, Replaces Husqvarna Part # 503517401 48mm","description":"\u003cp\u003eBrand New Piston W\/ Ring For Husqvarna 61. This Piston Assembly Replaces Part # 503517401, Diameter Is 48mm HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHusqvarna 61 Piston \u0026amp; Rings\u003c\/li\u003e\n\u003cli\u003eReplaces Husqvarna Part # 503517401 48mm\u003c\/li\u003e\n\u003cli\u003eNOT MADE IN CHINA OR TAIWAN\u003c\/li\u003e\n\u003cli\u003e**Family run business with 25 years of repair experience and parts sales\u003c\/li\u003e\n\u003cli\u003e**We strive to provide high quality parts and excellent customer service!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486112354461,"sku":"C0-XSAV-FBW5","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/21cHM5cfU8L.jpg?v=1793400707"},{"product_id":"lil-red-barn-jonsered-cs2240-piston-kit-41mm-replaces-part-502625002-two-day-standard-shipping-to-all-50-states","title":"Jonsered CS2240 Piston Kit 41mm Replaces Part # 502625002","description":"\u003cul\u003e\n\u003cli\u003eJonsered CS2240 Piston Kit\u003c\/li\u003e\n\u003cli\u003e41mm\u003c\/li\u003e\n\u003cli\u003eReplaces Part # 502625002\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486112387229,"sku":"26-J2JV-HLAX","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/81LkvnBrAYL.jpg?v=1793400707"},{"product_id":"lil-red-barn-poulan-455-pp455-piston-kit-50mm-replaces-poulan-part-507476558-two-day-standard-shipping-to-all-50-states","title":"Poulan 455, PP455 Piston Kit, 50MM, Replaces Poulan Part # 507476558","description":"\u003cp\u003ePoulan 455, PP455 Piston Kit, 50MM. Replaces Poulan Part # 507476558 HOW THESE CYLINDERS AND PISTONS ARE MADE - Cylinders are cast in AC4B aluminum alloy by a slow gravity-fed die-casting process, which leaves more material in the cylinder wall. Before plating, each cylinder goes through thirteen preparation stages so the coating penetrates evenly, and the chrome layer is held between 0.04 and 0.06 mm. Machining is done on CNC equipment. Casting tooling is checked monthly and retired at 50,000 pieces, so the last cylinder off a tool measures close to the first. WHAT IS CHECKED BEFORE PACKING - The inlet and exhaust ports on every cylinder are inspected and the burrs chamfered. Every twentieth cylinder off the line is measured in full against tolerance. The factories behind these parts have more than thirty years in cylinder and piston manufacture and also build to specification for original-equipment customers. ON ASSEMBLY - Use a piston ring compressor when you rebuild a two-cycle engine. Rings forced in by hand are how a piston land gets broken before the engine has run.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePoulan 455, PP455 Piston Kit, 50MM\u003c\/li\u003e\n\u003cli\u003eReplaces Poulan Part # 507476558\u003c\/li\u003e\n\u003cli\u003eNOT MADE IN CHINA OR TAIWAN\u003c\/li\u003e\n\u003cli\u003e**Family run business with 25 years of repair experience and parts sales\u003c\/li\u003e\n\u003cli\u003e**We strive to provide high quality parts and excellent customer service!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"1","offer_id":34486112518301,"sku":"VX-50Y7-APJF","price":36.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/71-LX70FGkL.jpg?v=1793400738"},{"product_id":"lil-red-barn-two-sets-of-piston-rings-replaces-kohler-24-108-22-s-ch18-ch22-cv18-cv22-1-5mm-thick-top-ring-style-a-77mm-standard-bore","title":"2 Ring Sets Fits Kohler 77mm CH18 CH20 CH22 CH620","description":"\u003cp\u003eTwo standard 77mm piston ring sets for the Kohler 624cc twin-cylinder engines, one set per cylinder. Each set has a top compression ring, a second compression ring and a three-piece oil ring. Pistons, gaskets and seals are not included. They fit the CH18, CH20, CH22, CH620, CH621, CH640 and CH641, the CV18, CV20, CV22, CV620, CV624 and CV640, and the LH640 and LV625. Some CH22, CH620 and CH640 engines are the 80mm, 674cc version, so check the displacement on the nameplate. They replace ring set 24-108-22-S, also written 24 108 22 or 2410822. These are standard-bore rings; a rebored cylinder needs .008, .010, .020 or .030 oversize rings to match. Before assembly, check each bore for taper and out of round and the ring grooves for wear, check ring end gap in the bore, and use a ring compressor.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTWO STANDARD RING SETS - One set per cylinder: top compression ring, second compression ring and three-piece oil ring. Pistons, gaskets and seals are not included.\u003c\/li\u003e\n\u003cli\u003eFITS KOHLER 77MM, 624CC TWINS - CH18, CH20, CH22, CH620, CH621, CH640, CH641, CV18, CV20, CV22, CV620, CV624, CV640, LH640 and LV625. Some CH22, CH620 and CH640 engines are the 80mm, 674cc version, so check the displacement on the nameplate.\u003c\/li\u003e\n\u003cli\u003eREPLACES RING SET 24-108-22-S - Also written 24 108 22 or 2410822. If your parts list shows it for your engine, these sets cover it.\u003c\/li\u003e\n\u003cli\u003eSTANDARD BORE ONLY - For a cylinder that has not been bored oversize. A rebored cylinder needs rings to match its size: .008, .010, .020 or .030 oversize.\u003c\/li\u003e\n\u003cli\u003eMEASURE BEFORE IT GOES TOGETHER - Check each bore for taper and out of round and the ring grooves for wear; rings will not seal a scored or out-of-round bore. Check ring end gap in the bore, and use a ring compressor.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Default Title","offer_id":34486112616605,"sku":"U2-X4YG-2TQS","price":69.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/71VulINU_9L_35c12699-3a56-4299-ae1d-dd653f4decf5.jpg?v=1793400739"},{"product_id":"lil-red-barn-piston-kit-fits-echo-cs750-cs-750evl-chainsaw-52mm-replaces-echo-part-10000012430-two-day-shipping-to-all-50-states","title":"52mm Piston Kit Fits Echo CS-750 CS-750EVL 10000012430","description":"\u003cp\u003eA 52mm piston kit for the Echo CS-750 and CS-750EVL chainsaws, replacing 10000012430. A scored piston is usually a lean condition, so pressure and vacuum test the crankcase and fix any air leak or fuel fault before the new piston goes in. Measure ring end gap in the bore, use a ring compressor and fit the circlips fully.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePISTON KIT - Piston, rings, wrist pin and circlips.\u003c\/li\u003e\n\u003cli\u003eFITS ECHO CS-750 AND CS-750EVL - The 52mm saws. Check the model on the saw before ordering.\u003c\/li\u003e\n\u003cli\u003eREPLACES 10000012430 - If your parts list shows that number for the piston, this kit covers it.\u003c\/li\u003e\n\u003cli\u003eCHECK RING END GAP IN THIS CYLINDER - Square the ring in the bore, measure the gap with a feeler, and check side clearance in the groove. Use a ring compressor and fit the circlips with the open end away from the notch.\u003c\/li\u003e\n\u003cli\u003eFIND THE CAUSE FIRST - A scored piston is usually a lean condition: an air leak at the intake or crank seals, or a fuel fault. Pressure and vacuum test the crankcase before the new piston goes in.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Default Title","offer_id":34486112714909,"sku":"G4-GPY2-T5QZ","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/61ztl_RBdlL.jpg?v=1793400760"}],"url":"https:\/\/performancesawsupply.com\/collections\/pistons-and-cylinder-kits.oembed?page=2","provider":"Performance Saw Supply","version":"1.0","type":"link"}