Features: Quality Construction: Crafted with durable plastic and metal. The blend door actuator also features a more rugged internal circuit board which resists heat, corrosion, and vibration. Easy Installation: High Reliability, Quick and simple installation, and it can be installed on driver and passenger side. Function: Replacement air door actuator controls the temperature of air from AC vents and recirculation or outside air into the interior of the vehicle, creating comfortable and pleasant environment. Direct Replacement: this heater blend door actuator fits and functions like the equipment part on specified vehicles, which can could correctly replace the part. .