The Dorman 604-214 HVAC Air Door Actuator is a part designed for air conditioning and heating systems in vehicles. It is manufactured by Dorman and made in Korea. The interchange part numbers for this product include 73006, SK604214, XW7Z19E616BA, ADS219, J04008, and FD0613099, indicating compatibility with various car models. The air door actuator helps regulate the flow of air within the HVAC system, ensuring optimal performance and climate control inside the vehicle.