Close
Products
  • Products
  • Content

    Products By

    The product images shown are Illustrative only and may not be an exact representation of the product.
    View All Heavy Duty Thermostats

    33578 THERMOSTAT

    Product# # 74125952

    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

    Expand All / Collapse All
    • Product Details
      Part # 33578
      Product # 74125952
      Description: 33578 THERMOSTAT
      Flange Thickness (in) 0.075
      Total Height (in) 3.117
      Valve Diameter (in) 2.282
      Includes Installation Tool false
      Jiggle Pin false
      Jiggle Pin/Check Valve false
      Number of Gaskets 0
      Number of Jiggle Pins/Check Valves 0
      Number of Seals 1

    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.