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GM 3859167 Piston Connecting Rod Set MerCruiser 733-227 2.5L 120hp 4cyl 1964-72

GM 3859167 Piston Connecting Rod Set MerCruiser 733-227 2.5L 120hp 4cyl 1964-72
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GM 3859167 Piston Connecting Rod Set MerCruiser 733-227 2.5L 120hp 4cyl 1964-72 GM 3859167 Piston Connecting Rod Set MerCruiser 733-227 2.5L 120hp 4cyl 1964-72 GM 3859167 Piston Connecting Rod Set MerCruiser 733-227 2.5L 120hp 4cyl 1964-72 GM 3859167 Piston Connecting Rod Set MerCruiser 733-227 2.5L 120hp 4cyl 1964-72 GM 3859167 Piston Connecting Rod Set MerCruiser 733-227 2.5L 120hp 4cyl 1964-72 GM 3859167 Piston Connecting Rod Set MerCruiser 733-227 2.5L 120hp 4cyl 1964-72
$ 80.00
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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)

​​​Other Details

  • 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!


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