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Similar to the 58086 Water pumps
For use with OMC Cobra V8 GM 5
Engines AQ120B
2L MPI (s/n 0M340000 and up)
OMC 387818 / 0387818 Lower Unit Gearcase Propeller Shaft Found on OMC Stringer 4cyl 400 Series & 4cyl Cobra 1978-1990
MerCruiser 42757 Chevy GM 3.8L V6 185hp 229 Rocker Valve Cover Port Left 1983-84 Flywheel Housing Similar to the 58086 WaterItem Details Used from 1983 1984 on MerCruiser Alpha One 3. 8L V6 185hp 4bbl 229CID engine applications MerCruiser 42757 Port Left Rocker Valve Cover 42764 Oil Fill Cap Yours should look just like this. Note that these are specific to the 3. 8L and will not fit on 4. 3L applications as these are perimeter bolt style. (please inspect yours closely to make sure it's the same, or If you need any dimensions or other information feel free to send us a