Sierra Exhaust Manifold - OMC 3852374 Volvo Penta 3852374-2

Exhaust manifold used on both Port and Starboard sides. Replaces: 3852374, 3857723. For GM Small Block V8 305-350 ci.

All Sierra manifolds are manufactured as a direct OE replacement and are fully interchangeable with the OEM products they are designed to replace. They are primed and painted for added durability and protection, and all components are ready to install out-of-the box. The manifold is packaged for maximum protection during shipping and handling and is backed by Sierra’s comprehensive warranty.
• Computerized CNC machining ensures proper gasket mating surfaces
• 100% leak tested
• Precision tolerance control for uniform wall and water jacket thickness
• Innovative core placement process prevents internal shifting

Use with:
• Exhaust manifold gasket: 18-2949
• Mounting kit: 18-8502