MerCruiser OMC GM 2.5L 120hp 4cyl Engine Main Bearing Caps 2pc Rear Seal 1973-86 Gimbal Parts Basically this would have been

Basically this would have been found on all alpha one models Gimbal housing transom assemblies 1977-present which included both the Gen I & Gen II transom assemblies that use this style of pin and not the earlier style that is held in place by a nail

Removed from a 1976-1989 MerCruiser 470 / 488 / 165hp 170hp 3

Front Powerhead housing 308086 0308086

but not all of them

MerCruiser OMC GM 2.5L 120hp 4cyl Engine Main Bearing Caps 2pc Rear Seal 1973-86 Gimbal Parts Basically this would have beenPart Number(s) Included Not necessarily a part number for these beyond the GM part number but basically these are the Main Bearing Caps for the crankshaft on the 1973 1986 (maybe some earlier years as well) GM 2. 5L 4cyl 120hp 2 piece rear main seal engines. Crankshaft Caps (x4) GM 3970194 MerCruiser 35310 Crankshaft End Cap (x1) GM 3928975 MerCruiser 49954 Bolts (x10) GM 3872781 MerCruiser 10 46717 (2 31 32") General Application Compatibility GM 2.