Genuine OEM Audi HVAC Air Inlet Actuator, part number 4G0820511. This electrical component is crucial for regulating airflow within the vehicle's heating, ventilation, and air conditioning (HVAC) system. It precisely controls the air inlet door, directing fresh or recirculated air as needed. Weighing 0.07 kg, this actuator ensures accurate and responsive operation. Installing a genuine OEM actuator guarantees correct electronic calibration, smooth door movement, and reliable performance of the climate control system.