NPT x 5/16 In. NF Thread;. Check Valve, Heater Valve. Compatible Years: 1973 1974. Heater Valve. Vacuum Closes Non-Bypass Heater Valve. Type: Heater Valves. Item Specifics.
4 Seasons HVAC Heater Control Valve For 1987-1992 Jeep Comanche 4.0L L6
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4 Seasons HVAC Heater Control Valve For 1983-1985 Kenworth K100
4 Seasons HVAC Heater Control Valve For 1969-1970 Chevrolet Chevelle
4 Seasons HVAC Heater Core Front For 1996 Plymouth Grand Voyager
