GM 3937758 Piston Connecting Rod OMC MerCruiser 4cyl 3.0L 140hp 733-3819 0980504 Oil Pans 316285 / 0316285 Spark Advance

316285 / 0316285 Spark Advance Lever

you might replace the seals while you are down here

Additional Notes If you are unsure if this will work for you

from 1973 to 1990

Parts from 55hp Chrysler

GM 3937758 Piston Connecting Rod OMC MerCruiser 4cyl 3.0L 140hp 733-3819 0980504 Oil Pans 316285 / 0316285 Spark AdvancePart Numbers (GM MerCruiser OMC Stringer OMC Cobra) Piston (Standard Size) GM 3937758 (stamped) MerCruiser 733 3819 > 773 3819 1 > 733 803850T OMC (0980504) (914816) (VP 3853340) Connecting Rod GM ??? MerCruiser 613 3817 OMC (0980505) General Application Compatibility Above all else, it's always a good idea to match the number stamped on your existing pistons! MerCruiser & OMC GM 3. 0L 4cyl 140hp 181CID applications roughly 1968 1989 (However the