Air Conditioning and Heater Control Valve Vacuum Switch Assembly 1967-1973 Mercury Cougar, 1968-1971 Ford Torino, 1967-1971 Ford Thunderbird, 1967-1973 Ford Mustang, 1970-1974 Ford Maverick, 1966-1970 Ford Fairlane, 1966-1969, 1971-1974 Mercury Comet More ITEM # FM-EH033 OE # C6OZ-18C311-A Controls the amount of cold or hot air flow by opening and closing the air vent Replaces a worn or borken A/C & Heater Control Valve Vacuum Switch Assembly to restore functionality and air flow in the vehicle OEM-style Direct to Fit Replacement and Easy Installation Was: MSRP: Now: $51.00 View Details