Genuine OEM Audi Heater Blower Fan, part number 8K1820021C. This component is responsible for circulating air through the vehicle's heating and cooling system, providing essential airflow for climate control. It is typically located within the HVAC assembly behind the dashboard. Weighing 1.837 kg and measuring 0.19m in length, this fan is built to factory specifications. Choosing a genuine OEM blower fan ensures precise fitment, quiet operation, and reliable performance within the complex HVAC system.