Small Block Stamped Steel Oil Pan | Sierra 18-0612
Small Block Stamped Steel Oil Pan | Sierra 18-0612
Sierra
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Small Block Stamped Steel Oil Pan | Sierra 18-0612
Used on Mercruiser GM 305 and 350 CID marine engines with a 1 piece rear main seal.
- Mercruiser oil pan
- Stamped steel
- Fits GM small block V8 engines from 1987 and later
- 1 piece rear main seal applications
- Right hand dipstick
- M12-1.75 drain plug threads
- Replaces Mercruiser 809910

! Compatibility references are provided for informational purposes only and do not constitute a fitment guarantee. Part numbers, application listings, and "replaces" cross-references are based on manufacturer data and are intended as a starting point for identification — not a guarantee of fit for your specific engine, hull, or installation.
Buyer is solely responsible for verifying compatibility with their engine model, serial number, model year, and trim configuration before purchase. If you are unsure whether this part fits your application, contact MacombMarineParts.com before you buy — we're available via text, email, or online chat to help verify compatibility for your specific application.
MacombMarineParts.com is not liable for parts ordered based on assumed fitment. Returns due to buyer-selected incorrect fitment are subject to our standard return and restocking fee policies.