Skip to main content
Gasket & Seals

S401
Engine Coolant Thermostat Seal

Gaskets are made from high quality materials suitable for resistance to high temperatures and engine coolant to maintain a good seal. On adhesive backed gaskets, the backing reduces installation time by ensuring proper alignment and ease of installation. Thermostat seals are precision designed and made from high quality rubber products ensuring an accurate fit and durability for a long lasting seal.

Features:

  • High quality materials used for increased strength and durability
  • Adhesive backed gaskets reduce installation time and ensure proper alignment
  • Meets or exceeds all OEM standards
  • Inside Diameter: 2.01 in
  • Material: Metal, Rubber
  • Number Of Bolt Holes: 0
  • Outside Diameter: 2.66 in
  • Prop 65: WARNING: Cancer and Reproductive Harm - www.p65WARNINGs.ca.gov
  • Style: Metal Clad
  • Thickness: 0.25 in
  • Type: Thermostat Seal
Year Make Model Engine
Loading...
  • ACDelco 12G31
  • AETM 27020
  • Caterpillar 3S9643
  • Caterpillar 4L8089
  • Chrysler 4763839
  • Chrysler 4763839AB
  • Chrysler 4763839AC
  • Chrysler 5245231
  • Cummins 135600
  • Cummins 186780
  • Detroit Diesel 5132155
  • Fleet Pride S401
  • FP Diesel FP5132155
  • Gates (Private) 33601
  • General Motors 5132155
  • International Harvester/Navistar (IHC) 278069R91
  • International Harvester/Navistar (IHC) 347497R91
  • International Harvester/Navistar (IHC) 347947R91
  • Mack 447GC171
  • Mack 447GC216
  • Mighty 2401
  • MotoRad S401
  • MotoRad HD 3019-02
  • Motorcraft RTS1
  • NAPA 4661
  • OReilly 2401
  • PAI CUP131289
  • Pep Boys S401
  • Reo 6559761
  • Reo 659761
  • Stant 25020
  • Stant 27020
  • White Truck 659761