GM 3859167 Piston Connecting Rod Set MerCruiser 733-227 2.5L 120hp 4cyl 1964-72
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Part 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
- Also linked to 110hp 4cyl 2.5L 153cid 1963-1966 & 150hp GM 230cid 6cyl 1964-1966 (Both Very Uncommon engines)
- Freshwater Used Parts
- These have been individually inspected, anytime we found something questionable or appreciable wear on the piston we tossed it.
- You will receive a the set of 4 as pictured that all came from the same engine.
- Overall Good Condition!
Purchase with confidence!