Powerhead Gasket Set | Sierra 18-4305
Powerhead Gasket Set | Sierra 18-4305
Sierra
Out of stock
Couldn't load pickup availability
Powerhead Gasket Set | Sierra 18-4305
Powerhead Gasket Set
- Powerhead Gasket Set Contains 18-0851 Relief port twin gasket, 18-0850 Fuel pump mounting gasket, 18-0941 Water jacket cover gasket, 18-0118 Carburetor gasket, 18-0120 Exhaust cover gasket, 18-0128 Powerhead mounting twin gasket, 18-3802 Head gasket, 18-0136 Powerhead mounting gasket, 18-0157 Airbox split twin gasket, 18-0154 Airbox split twin gasket, 18-0159 Airbox split twin gasket, 18-0983 Carburetor to air box twin gasket, 18-0182 Thermostat gasket, 18-0963 Intake manifold twin gasket
- replaces Mercury 802110
- Replaces OMC/Johnson/Evinrude 439083
- Replaces Mallory 9-64113
! 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.