GM 3937758 Piston Connecting Rod OMC MerCruiser 4cyl 3.0L 140hp 733-3819 0980504 Oil Pans you might replace the seals

you might replace the seals while you are down here

This was used on 1998-1999 Various 40hp & 50hp Force Models (and possibly others)

Parts from 55hp Chrysler

Used in many if not all OMC GM V6 & V8 applications 1986-1996

Yours should look just like this and have the same part number 32498 (pic 3) on the front middle of the bracket

GM 3937758 Piston Connecting Rod OMC MerCruiser 4cyl 3.0L 140hp 733-3819 0980504 Oil Pans you might replace the sealsPart 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