1988-1992, 1994, 1997 Duplex D500 12.7L 6 Cyl. 1990-1992, 1994 Duplex D500 12.1L V8. 1990-1991 Duplex D500 9.0L V6. Notes: Heavy Duty Thermostat -- Temperature 190F; Includes seal. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
