Thermostat, Engine Cooling

6.6L

Thermostat Full Open Temperature 110 degrees C (230 degrees F)


All Other Engines

J24731-188 tempil stick melts at 87° C (188° F). The thermostat should begin to open.
J24731-206 tempil stick melts at 97° C (206° F). The thermostat should be fully open.