GM 3.0L Cylinder Head Gasket | Sierra 18-2946
GM 3.0L Cylinder Head Gasket | Sierra 18-2946
Sierra
16 in stock
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GM 3.0L Cylinder Head Gasket | Sierra 18-2946
Seals cylinder head to engine block on GM 181 cu. in. marine engines.
- For GM 3.0L 181 CID marine engines
- Replaces Mercury 27-52364, 27-81084, 27-342731
- Replaces OMC 311210, 3853336
- Replaces Volvo Penta 3853336
- Replaces Mallory 9-63700
- Replaces Sierra 18-3880

! 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.