OER Parts offers a wide selection of Air Conditioning and Heater Parts for your 1964 Plymouth Savoy. OER Parts offers 1964 Plymouth Savoy Air Conditioning and Heater Control Panels, 1964 Plymouth Savoy Air Conditioning and Heater Knobs, 1964 Plymouth Savoy Air Conditioning and Heater Levers and Cables, 1964 Plymouth Savoy Air Conditioning and Heater Relays, 1964 Plymouth Savoy Air Conditioning and Heater Switches.