{"product_id":"50mm-cylinder-piston-kit-503626672-fits-husqvarna-372xp-sk-irb8-gszg","title":"50mm Cylinder Piston Kit 503626672 Fits Husqvarna 372XP","description":"\u003cp\u003e50mm cylinder and piston kit that fits the Husqvarna 362, 365, 365 Special, 371, 371XP, 372, 372XP and 375K. Also fits the Jonsered 2063, 2065, 2071, 2163, 2165, 2171, CS2165 and CS2171. Kit contents as shown in the photos. Replaces part number 503626672. Measure the old piston to confirm the 50mm size. Find the cause of the old failure, pressure and vacuum test the crankcase, and use a new base gasket and a ring compressor.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e50MM CYLINDER AND PISTON - Kit contents as shown in the photos. Replaces 503626672, also written 503 62 66-72.\u003c\/li\u003e\n\u003cli\u003eFITS HUSQVARNA 362, 365, 365 SPECIAL, 371, 371XP, 372, 372XP AND 375K - Measure the old piston to confirm the 50mm size.\u003c\/li\u003e\n\u003cli\u003eALSO FITS JONSERED 2063, 2065, 2071, 2163, 2165, 2171, CS2165 AND CS2171 - The same engine family.\u003c\/li\u003e\n\u003cli\u003eFIND OUT WHY IT FAILED - A scored piston had a cause: a hardened crankshaft seal, a split intake boot, a lean carburetor setting or the wrong fuel mix. Pressure and vacuum test the crankcase before the new piston runs.\u003c\/li\u003e\n\u003cli\u003eON ASSEMBLY - Use a ring compressor, fit the clips with their openings away from the slot, check ring end gap in the bore, and use a new base gasket.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lil Red Barn","offers":[{"title":"Default Title","offer_id":68060534079642,"sku":"SK-IRB8-GSZG","price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/2346\/6909\/files\/91RMRDjydsL.jpg?v=1793875412","url":"https:\/\/performancesawsupply.com\/products\/50mm-cylinder-piston-kit-503626672-fits-husqvarna-372xp-sk-irb8-gszg","provider":"Performance Saw Supply","version":"1.0","type":"link"}