The Everco H1939 Heater Control Valve is a replacement part designed specifically for 1971-1973 Ford Pinto vehicles equipped with air conditioning. This valve, made by EVERCO, is an interchange part with numbers YG-112 and D1FZ-18495-B, ensuring compatibility and functionality. The manufacturer part number H1939 further confirms its authenticity and suitability for the specified vehicle model. Whether you are looking to repair or upgrade your heating system, this Heater Control Valve is a reliable choice for your Ford Pinto.