Thermostat, Radiator Cap & Hose Specs ...

Here's some usefull information about the thermostats and radiator cap for the Mitsubishi Montero Sport 3.0L V6. Noted below are the factory specifications. Some after-market thermostats and radiator caps vary significantly from the factory specifications irrespective of what is printed on the box or card. If you are unsure what your thermostat or radiator cap is doing, a good quality, accurate infrared thermometer and radiator and cap pressure tester can be invaluable.

  • Radiator Cap

    • Opening pressure (psi): 10.7 - 15
  • Thermostat

    • July 1998->on Engine 6G72 3.0L (88°C/190°F)
      • Thermostat valve opening temperature F: 190.4° ± 3.6°
      • Full-opening temperature F: 212°
    • 1997->June 1998 Engine 6G72 3.0L (82°C/180°F)
      • Thermostat valve opening temperature F: 180° ± 2.7°
      • Full-opening temperature F: 203°
  • Upper Radiator Hose

    • Inside diameter: 1.31" (33.27mm)
  • Common Radiator Hose Adapter Sizes

    • 1 3/8" (1.375")
    • 34mm (1.338")
    • 32mm (1.259")