Sierra 18-4392 Intake Manifold Gasket Set for MerCruiser GM V8 305 350 CID Engines

The Sierra 18-4392 is a comprehensive intake manifold gasket set designed for MerCruiser GM V-8 engines with 305 and 350 cubic inch displacement. This complete gasket kit is engineered to meet OEM specifications and replaces Mercury Marine part number 27-75611A2, providing a reliable seal for marine engine rebuilds and overhauls.

Engine Compatibility:

• GM 305 and 350 CID V-8 engines (1986 and older)
• MerCruiser models 898 (198 HP), 200, 228, 230/260 (Inboard)
• MerCruiser 230, 250, 255, 260, 280, and 5.7L Ski engines

Complete Kit Contains:

• (1) 18-0868 Intake Manifold Gasket
• (2) 18-0872 Exhaust Manifold Gaskets
• (2) 18-2848 Quadrajet Base Gaskets
• (2) 18-3876 Head Gaskets
• (1) 18-2553 Thermostat Gasket
• (1) 18-2844 Thermostat Cover Gasket
• (2) 18-2554 Thermostat Gaskets
• (1) 18-2917 Lower Thermostat Housing Gasket
• (2) 18-2845 Valve Cover Gaskets
• (16) 18-0518 Seals

This gasket set prevents coolant leaks and maintains proper sealing throughout the engine's critical components. Sierra marine engine parts are manufactured from high-quality materials designed to meet or exceed original equipment specifications, ensuring reliable performance and durability in demanding marine environments.