1979 Plymouth Volare 5.9L V8 VIN: L. 1979 Plymouth Volare 5.9L V8 VIN: J. 1976-1978, 1980 Plymouth Volare 5.9L V8. 1976-1978 Plymouth Volare 5.2L 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.; Temperature 160F; Alternate Temperature Option.
