- 1985 and older Chevy engines all 2 piece units
- 1986 and newer 1 piece counter rotation for 4.3, 5.0
and 5.7 litre marine engines
- Standard rotation 1986 and newer 1 piece 4.3, 5.0 and 5.7 litre marine engines
- 1991
and older 7.4 and 8.2 litre big block marine engines
- Ford 351 CID 5.8 litre two piece unit
- Note: This is
all the main rear oil seal we have at this time
- Click here for engine Manifold gaskets
- If more service help is required, contact our service tech with troubleshooting your Mercruiser parts at (416) 751-7326
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