INTERIOR VENTILATION AIR PUSH (MODEL WITHOUT AIR CONDITIONING) COMPATIBLE FOR: A car's "blower motor," also called a "ventilation motor" or "fan motor," is a component of the heating, ventilation, and air conditioning (HVAC) system that is responsible for circulating air through the system's ducts. The blower motor uses a fan to draw in outside air and force it through the HVAC ducts, providing warm or cool air inside the car's cabin. The blower motor is usually powered by electricity and is controlled by the car's HVAC control system. The blower motor is responsible for circulating air through the HVAC system ducts to provide warm or cool air into the car's cabin. Refers to the number of pins or wires present on the electrical outlet. OPEL: 44 09 447, 44 13 391, 4409447, 4413391, 91 158 6.