1985-1995 Chevrolet G10 4.3L V6. 1977-1995 Chevrolet G10 5.0L V8. Notes: Fail-Safe -- The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating.; 195 Degrees F; OE Specified Temperature.
