4 Cylinder Exhaust Manifold to Head Gasket | Sierra 18-0680
4 Cylinder Exhaust Manifold to Head Gasket | Sierra 18-0680
Sierra
12 in stock
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4 Cylinder Exhaust Manifold to Head Gasket | Sierra 18-0680
Combination intake & exhaust manifold gasket fits GM 3.0L 4 cylinder marine engines with Vortec cylinder heads.
- Exhaust manifold gasket
- For GM 3.0L engines from approximately 1991 and up with Vortec cylinder heads
- All intake ports are of equal size and shape
- Will not work with all 3.0L engines - refer to engine model and serial for correct gasket
- Replaces Mercury 27-815528
- Replaces OMC 3853256, 914578
- Replaces Volvo Penta 3853256
! 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.