GM 3859167 Piston Connecting Rod Set MerCruiser 733-227 2.5L 120hp 4cyl 1964-72 Windshield Parts 0L 302 Models used a

0L 302 Models used a different Oil Tube & 1991 & Up used different exhaust manifolds)

Roller Lifter 17340 / 17340T (12x)

120hp 140hp 165hp 470 170hp 488 188hp 198hp 898 888 250 350 5

Aftermarket: 18-7609-1

Removed from a MerCruiser / Ford 3

GM 3859167 Piston Connecting Rod Set MerCruiser 733-227 2.5L 120hp 4cyl 1964-72 Windshield Parts 0L 302 Models used aPart Numbers (GM MerCruiser OMC Stringer OMC Cobra) Piston (Standard Size, but undersized for anything after 1972)) GM 3859167 (stamped) MerCruiser 736 2278 OMC (GM 3860407) Connecting Rod GM ??? (Likely GM 3788435) MerCruiser 613 2277 OMC (GM 3788435) General Application Compatibility Above all else, it's always a good idea to match the number stamped on your existing pistons! MerCruiser & OMC GM 2. 5L 4cyl 120hp 153CID applications roughly 1964 1972