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Specifications

The PAI 181844 Thermostat Kit is an all-inclusive cooling system component crafted for Cummins 4B and 6B engine families. Featuring a vented thermostat that opens at 180 °F (82 °C), this kit includes the thermostat, seal, and gasket—everything needed for a proper installation. Built in the USA under ISO-certified manufacturing, it aligns with OE fit and performance standards, offering durability and precision. Cross-referenced to Cummins part numbers 3802273, 3802968, 3912587, 3972071, and others, the kit assures compatibility across legacy engine configurations. Sold by Wofford Truck Parts and backed by a solid 2-year unlimited-mileage warranty, the 181844 delivers dependable thermal regulation and leak-free performance—ideal for maintenance and rebuilds of heavy-duty diesel engines.
Weight
0.24

Compatibility

Freightliner Medium-Duty Trucks (Business Class M2, FL series) – mid-1990s to early 2000s

International Medium-Duty (e.g., 4000 / 9000 series) – mid-1990s to early 2000s

Kenworth / Peterbilt Trucks using Cummins 4B/6B in medium-duty models – mid-1990s to early 2000s

Navistar / International school buses and chassis with 4B/6B engines – mid-1990s to early 2000s

Vocational trucks and cab-chassis builds using 4B/6B engines – mid-1990s to early 2000s


Alternative Part Numbers

  • Cummins 3283589
  • Cummins 3802273
  • Cummins 3802968
  • Cummins 3902465
  • Cummins 3906700
  • Cummins 3910706
  • Cummins 3912587
  • Cummins 3917324
  • Cummins 3972071
  • Cummins 5292738
  • Interstate-McBee M-3283589
  • Interstate-McBee M-3802273
  • Interstate-McBee M-3802968
  • Interstate-McBee M-3917324
  • Interstate-McBee M-3972071
  • PAI 181843
  • PAI 181843E
  • PAI 181844

Related Parts

Thermostat
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Thermostat
Pai Industries Part No: 181887
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