Marine Cooling Hoses

Cooling Hoses
  • Sierra® - Hose Barb Fitting for Mercruiser Engines
    Sierra®Hose Barb Fitting for Mercruiser Engines
    0
    # 5395211490
    Hose Barb Fitting for Mercruiser Engines by Sierra®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications. It...
    Engineered to high standardsHigh-grade design delivers extended lifespan
    $4.34 - $12.27
  • Sierra® - Molded Coolant Hose for Mercruiser Engines
    Sierra®Molded Coolant Hose for Mercruiser Engines
    0
    # 5395206867
    Molded Coolant Hose for Mercruiser Engines by Sierra®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications....
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $13.67 - $41.51
  • Sierra® - Hose Barb Fitting for Mercruiser Engines
    Sierra®Hose Barb Fitting for Mercruiser Engines (18-4461)
    0
    # mpn4972466085
    Hose Barb Fitting (18-4461) by Sierra®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications. It will satisfy...
    Corrosion resistant brass fittingEngineered to high standards
    $12.27
  • Sierra® - Molded Coolant Hose for Mercruiser Engines
    Sierra®Molded Coolant Hose for Mercruiser Engines (18-70946)
    0
    # mpn4972467174
    Molded Coolant Hose (18-70946) by Sierra®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications. It will...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $37.90
  • Sierra® - Molded Coolant Hose for Mercruiser Engines
    Sierra®Molded Coolant Hose for Mercruiser Engines (18-70949)
    0
    # mpn4972466215
    Molded Coolant Hose (18-70949) by Sierra®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications. It will...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $13.67
  • Sierra® - Molded Coolant Hose for Mercruiser Engines
    Sierra®Molded Coolant Hose for Mercruiser Engines (18-70943)
    0
    # mpn4972466184
    Molded Coolant Hose (18-70943) by Sierra®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications. It will...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $35.66
  • Sierra® - Molded Coolant Hose for Mercruiser Engines
    Sierra®Molded Coolant Hose for Mercruiser Engines (18-70945)
    0
    # mpn4972466133
    Molded Coolant Hose (18-70945) by Sierra®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications. It will...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $33.15
  • Sierra® - Molded Coolant Hose for Mercruiser Engines
    Sierra®Molded Coolant Hose for Mercruiser Engines (18-70956)
    0
    # mpn4972466061
    Molded Coolant Hose (18-70956) by Sierra®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications. It will...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $21.94
  • Sierra® - Molded Coolant Hose for Mercruiser Engines
    Sierra®Molded Coolant Hose for Mercruiser Engines (18-70952)
    0
    # mpn4972466019
    Molded Coolant Hose (18-70952) by Sierra®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications. It will...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $29.44
  • Sierra® - Molded Coolant Hose for Mercruiser Engines
    Sierra®Molded Coolant Hose for Mercruiser Engines (18-71218)
    0
    # mpn4972465950
    Molded Coolant Hose (18-71218) by Sierra®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications. It will...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $17.96
  • Sierra® - Molded Coolant Hose for Mercruiser Engines
    Sierra®Molded Coolant Hose for Mercruiser Engines (18-70948)
    0
    # mpn4972465868
    Molded Coolant Hose (18-70948) by Sierra®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications. It will...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $32.83
  • Sierra® - Molded Coolant Hose for Mercruiser Engines
    Sierra®Molded Coolant Hose for Mercruiser Engines (18-70958)
    0
    # mpn4972465799
    Molded Coolant Hose (18-70958) by Sierra®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications. It will...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $41.51
  • Sierra® - Molded Coolant Hose for Mercruiser Engines
    Sierra®Molded Coolant Hose for Mercruiser Engines (18-70939)
    0
    # mpn4972465740
    Molded Coolant Hose (18-70939) by Sierra®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications. It will...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $32.01




Whatever engine is installed on your powerboat, an inboard or outboard one, its long operation is impossible without a cooling system. Depending on its type, the system may use outboard water circulating through the engine block and head (a so-called "raw water" open-loop system) or the mixture of freshwater and antifreeze working in a closed loop. But in most setups, the hoses transferring liquid play a big role, and their characteristics have to be properly selected in accordance with their tasks and environment. For instance, raw water hoses feature PVC, fabric, or even stainless steel reinforcement to resist kinking and collapsing if the system gets clogged.

As for the hoses containing antifreeze, they should be resistant to high temps and aggressive chemicals. Besides, there are some additional requirements about their flexibility, minimal bend radius, and the number of clamps on each end, which may refer to both of the abovementioned types. In our online store, you can find a large assortment of marine cooling hoses specifically designed by reliable manufacturers for certain powerplants and presorted for your convenience. Also, we carry various pipe plugs, tube couplings, gaskets, and lots of other products.

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