GM Small Block Cylinder Head Gasket | Sierra 18-3876
GM Small Block Cylinder Head Gasket | Sierra 18-3876
Sierra
14 in stock
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GM Small Block Cylinder Head Gasket | Sierra 18-3876
Seals cylinder head to engine block on GM 305 and 350 cu. in. marine engines.
- For all GM 5.0L 305 CID & 5.7L 350 CID marine engines
- Sold individually-2 required per engine
- Replaces Mercury 27-75611, 27-75611001, 27-48330, 27-34278
- Replaces Crusader RM0195
- Replaces Indmar 551654
- Replaces OMC 3853380
- Replaces Pleasurecraft Marine RM0195
- Replaces Volvo Penta 38533

! 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.