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Item Details Front engine mount spacer block that gives you access to the fan belt
so please consult the diagrams
318841 / 0318841 Thrust Bushing Washer Spacer
Please inspect pictures closely to ensure item condition
This style is from the mid-80s
MerCruiser 220-8775 Flywheel GM 4cyl 120hp 140hp 2.5L 3.0L 2778810 3791021 Exhaust Tubes Item Details Front engine mountItem Details MerCruiser 220 8775 Flywheel (used with hub style couplers) Stamped 2778810 Interchangeable with 3791021 03781021 12 3 4" Diameter! NOT FOR V6 or V8 applications! Used from 1970 1989 on virtually all MerCruiser 2. 5L & 3. 0L 120hp 140hp GM 4cyl applications Only for use with 2 piece rear man seal engines (1989 & Before) It was roughly 1990 when they switched over to 1 piece rear main seal engines will measure 3" across between the bolt