Sierra 18-0487 Intake Manifold Gasket Set for MerCruiser 4.3L V6

The Sierra 18-0487 is a marine-grade intake manifold gasket set designed for MerCruiser, Volvo Penta, OMC, Crusader, and Marine Power V6 262 cubic inch marine engines. This gasket set fits MCM 262 Mag and 4.3L/LX/LH/LXH Gen II (1996-up) GM VORTEC engines with 8-bolt intake manifolds.

Key Features:

• Constructed from durable plastic material for superior sealing performance
• Meets or exceeds OEM specifications in quality and performance
• Direct replacement for Mercury gasket 27-8243261
• Also replaces Volvo Penta 3855807 and OMC 3855807
• Sold as a complete set with stock port configuration

Note: This set does not include distributor mounting gasket or end seals; use suitable RTV silicone gasket maker for end seals. Sierra is a trusted brand in the marine industry, providing reliable replacement parts engineered for demanding marine applications.