For 1975 Chevrolet El Camino - HVAC Heater Control Valve Four Seasons 4.1L L6

1975 Chevrolet El Camino Engine: 4.1L L6;. Vacuum Closes Non-Bypass Heater Valve. Heater Valve. Type: Heater Valves. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.