MerCruiser GM 165hp 4.1L 250cid Crankshaft 3876802N OMC Stringer Chevy 425-3156 Flywheel Housing FLywheel Nut 52901

FLywheel Nut 52901

Used from 1986-1993 on many OMC Cobra GM 4

Found on KE7

possibility it might have been used on other models 1971-1975

so it has not been included

MerCruiser GM 165hp 4.1L 250cid Crankshaft 3876802N OMC Stringer Chevy 425-3156 Flywheel Housing FLywheel Nut 52901Item Details Removed from a 1970's MerCruiser Alpha One GM 4. 1L 165hp 250CID Used from 1968 1979 on virtually all OMC & Mercruiser 165hp power plants. (both companies used the same GM blocks, but OMC used bolts rather than studs at the end of the crankshaft to hold the couplers on) MerCruiser Part Number 425 3156 or 425 6516 We did not see a GM part number expressedly stamped on this but this would be equivalent to 3876802 3876802N what sometimes