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    Heavy Duty Thermostats

    Gates only partners with prime OE thermostat manufacturers to provide OE Exact or OE Type construction for use on heavy-duty trucks, buses and tractors.

    • OE-exact designed for customers that demand the exact OEM thermostat as a replacement product.
    • Fits applications with 3/4" deep filler necks. Custom heavy-duty radiator caps available upon request.
    • OE Type - Quality controlled factory calibration assures accuracy of opening and closing, regardless of pressure changes.
    • Matches the OEM product fit, function and design.
    • Temperature sensitive heat motor provides consistent valve response for smooth performance and precise engine cooling.
    • Features including jiggle pins and check valves for air venting, seals, and gaskets make these thermostats equivalent to the original equipment parts.
      Thermostats and Caps

    All Parts

    We've got your cooling system under control.

    Gates® heavy duty thermostats are designed to speed engine warm-up and regulates the engine’s operating temperature, resulting in better fuel economy, lower emissions, exceptional engine performance and longer engine life.

    Gates brings OE to the Aftermarket.

    Gates® engineers our aftermarket parts in partnership with the top vehicle OEMs around the world, so you can trust premium-grade parts with exceptional fit, function, and performance in your heavy duty applications.

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