Part Number 25791

3/8'' NPT Fluid Control Thermostat


This Billet Style Cast Aluminum Fluid Control Thermostat with 3/8" NPT ports allows the oil to bypass the cooler until it reaches 180°F at which point the internal thermostatic valve will close and force 100% of the oil through the cooler while maintaining a constant pressure system. This process allows the engine/transmission to achieve the ideal operating temperature quicker before passing the oil through the cooler. The unit can be rotated 180 degrees to change flow direction and includes a universal mounting bracket for 4 different mounting positions.

  • Bypasses cooler at 180°F
  • Provides quicker warm-up temperatures
  • Perfect for cold weather climates
  • Can be rotated 180 degrees to switch flow direction
  • Flows up to 20 gallons per minute
  • Rated up to 200 psi
  • Ultra bright finish
  • Billet style design
  • 3/8" NPT inlet/outlet ports

  • Activating temperature: 180°F
  • Inlet Size: 3/8" NPT
  • Aluminum

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