For 1986-1992 Oldsmobile Toronado Thermostat 83746YZDQ 1987 1988 1989 1990 1991

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 180F; Alternate Temperature Option.