GM 2777718 Piston Connecting Rod OMC MerCruiser 3.0L 140hp 4cyl 181CID 733-3819 Steering Helm Parts This particular Reverse lock valve

This particular Reverse lock valve assembly was generally found on MerCruiser Engines roughly 1974-1977 that had the switch mounted to the reverse-lock valve

It is clearly aftermarket as it was made in China

8hp 110 (S/N 2580349 Thru 2798056)

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GM 2777718 Piston Connecting Rod OMC MerCruiser 3.0L 140hp 4cyl 181CID 733-3819 Steering Helm Parts This particular Reverse lock valvePart Numbers (GM MerCruiser OMC Stringer OMC Cobra) Piston (Standard Size) GM 2777718 (stamped) MerCruiser 733 3819 733 803850T OMC 980503 0980503 Connecting Rod GM ??? MerCruiser 613 3817 613 3817T OMC 980505 0980505 Volvo Penta 3853785 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 1972 1990ish (which