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
- 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.
- See notes in description below
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