1990 Cadillac Brougham 3 Ports;. 1991 Cadillac Brougham. 1992 Cadillac Brougham. Check Valve, Heater Valve. Vacuum Open Non-Bypass Heater Valve. Heater Valve. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.
