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    Severe Service Straight Silicone Coolant Hose

    Many heavy-duty vehicles manufactured in 2007 or later have advanced emissions systems that run hotter under the hood than previous models, requiring the use of a silicone coolant hose to maintain optimal temperatures. The Gates Silicone Coolant Hose is a high-quality 4-ply silicone hose that was built to excel when the going gets hot.

    • Extreme temperature capabilities, running from -55°C to +175°C (-65°F to +347°F) continuous to +260°C (+500°F) for aramid reinforcement.
    • Easily identified with an orange silicone tube, reinforced with four plies of aramid fabric and a glossy blue silicone cover.
    • Use on hose bead fitting fastened with hose clamps.
    • SAE 20R1 Class A, standard wall.

    All Parts

    Part # Product # Description Maximum Working Pressure (psi) Maximum Working Pressure (bar) Inside Diameter (in) Inside Diameter (mm) Outside Diameter (in) Outside Diameter (mm)

    Gates Gets Your Vehicles Back On The Road. And Keeps Them There.

    Gates® engineers our automotive aftermarket parts in partnership with the top OEMs around the world, so you can trust premium-grade automotive and light truck parts that are built to last.

    Bring on the Heat.

    When heavy-duty and fleet vehicles began implementing Advanced Emissions Systems into their engines, the under-hood temperatures rose to a point where existing coolant hoses couldn’t handle such temperatures. Gates® developed the Sever Service Silicone Coolant Hose to go in and keep working in temperatures up to +260°C (+500°F).

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