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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

    Part # Product # Description Temperature Flange Diameter Jiggle Pin/Check Valve Type

    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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