GM 4.3L Intake Manifold Gasket Set | Sierra 18-4408
GM 4.3L Intake Manifold Gasket Set | Sierra 18-4408
Sierra
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GM 4.3L Intake Manifold Gasket Set | Sierra 18-4408
Marine grade intake gasket set fits various GM V6 262 cu. in. marine engines.
- For GM V6 4.3L marine engines from 1995 and older
- Replaces Mercury 27-11977 and 27-11987
- Replaces Volvo Penta 3850379
- Replaces Crusader 33393
- Replaces OMC 912978
! 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.