Description
The Sierra Exhaust Manifold 18-1953-2 is a direct replacement designed for Mercruiser GM small block V8 engines from 1983 to 2002, including 305, 350, and 377 CID models. Engineered for reliable fit and performance, this manifold is compatible with both port and starboard installations, simplifying replacement and maintenance. The kit arrives complete with all necessary components, including exhaust manifold and elbow gaskets as well as a drain elbow assembly, ensuring a straightforward installation process. Built to meet OEM specifications, it provides dependable durability for marine engine applications.
Features
- Direct replacement for Mercruiser GM small block V8 engines from 1983 to 2002
- Fits 305, 350, and 377 CID engines for broad compatibility
- Designed for both port and starboard side installation
- Includes manifold gasket, elbow gasket, and drain elbow assembly
- Built to OEM specifications for reliable marine performance
- Supplied with gaskets
- Will fit port and starboard
- Fits: MCM/MIE GM V-8 (305, 350 & 377 cid) engines (1983-2002)
- Ideally suited for freshwater applications
- Premium quality for longer life
- Meets or exceeds manufacturer specs






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