MerCruiser 220-8775 Flywheel GM 4cyl 120hp 140hp 2.5L 3.0L 2778810 3791021
Item 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 holes on the crankshaft vs. this one which measures 3.5" across.
- Yours should look just like this.
- Cleaned & Repainted
- 153 tooth unit. Center hole is 2.5"
- If you are unsure if this will work for you, just ask.
- Purchase with confidence!
Compatibility List
- MerCruiser 120hp 2.5L / 140hp 3.0L 1969-1989
3781021 8781021 2778809
