Barr Marine MC158759 6-Cylinder Exhaust Manifold for MerCruiser

The Barr Marine MC158759 is a direct replacement water-cooled exhaust manifold designed specifically for MerCruiser straight 6-cylinder GM Model 165 engines. This log-style manifold provides reliable exhaust gas routing and cooling for inboard marine applications.

Key Features:

• Cast iron construction for superior strength, corrosion resistance, and heat management
• Water-cooled log style design ensures proper temperature control
• Direct OEM replacement for MerCruiser part number B-58759A1
• Complete installation kit includes all necessary plugs, gaskets, and mounting hardware to head
• Manufactured in the USA by Barr Marine, a trusted name in marine exhaust systems since 1933
• Engineered to meet or exceed original equipment specifications

Barr Marine exhaust manifolds are crafted from high-quality cast iron that balances durability with excellent heat dissipation properties, helping maintain engine efficiency and reducing the risk of exhaust-side overheating. This manifold is specifically engineered for the GM straight-6 cylinder Model 165 engine platform used in various MerCruiser inboard installations.