This is a brand new heater control unit without AC for the 1968-72 Ford F100/250/350. It is made by the reliable brand Ford and has the manufacturer part number C8TZ-18549-A. This product is perfect for those who are in need of a replacement unit for their vehicle's heating system. It is compatible with various car and truck models, particularly those listed in the mentioned categories. Get your hands on this high-quality heater control unit now! Email me with any questions Thanks Mark.S11