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Engine Hoses

Keep your boat's cooling and engine systems properly connected with Marine Engine Hoses from trusted marine brands. At U.S. Boating & Marine Supplies, you'll find marine-grade replacement hoses designed for a wide range of inboard and outboard applications. Marine engine hoses play an important role in moving coolant, raw water, and other fluids throughout the engine and cooling system. Replacing worn, cracked, hardened, or damaged hoses can help maintain proper fluid circulation and reduce the risk of leaks.

Marine Engine Cooling Hoses

Marine engine cooling hoses are used throughout many boat cooling systems to carry water or coolant between engine components. Depending on the application, hoses may connect the engine, water pump, thermostat housing, heat exchanger, exhaust components, or other cooling-system components. When replacing a hose, always verify the correct inside diameter, outside diameter, length, hose construction, temperature rating, pressure requirements, and application.

Raw Water & Water Pump Hoses

Raw-water cooling systems rely on hoses to move water through the engine and associated cooling components. Marine water hoses are available for various engine configurations and replacement applications. Choose the correct hose for your specific engine and installation rather than assuming an automotive hose is suitable for marine use.

Exhaust & Engine Hoses

Marine engines can require specialized hoses for exhaust and cooling applications. Marine exhaust hose must be selected according to the intended application and manufacturer's specifications because exhaust-system temperatures and operating conditions can vary.

We offer marine replacement hoses for a variety of engine and boat applications, making it easier to find the right hose for your repair or maintenance project.

Marine Engine Hose Replacement

Inspect engine hoses regularly for:

  • Cracks or splitting
  • Bulges or swelling
  • Hardened or deteriorated rubber
  • Abrasion or chafing
  • Corrosion around hose connections
  • lose or damaged clamps
  • Signs of leaking or fluid seepage

A hose that appears worn or damaged should be replaced with the correct marine-rated replacement.

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