Genuine OEM Audi Air Duct, part number 4M8819725. This component is crucial for the vehicle's climate control system, directing conditioned air through the instrument panel to the cabin vents. It is positioned on the left rear side of the instrument panel, ensuring precise air distribution. Weighing approximately 0.269 kg and measuring 0.96 m in length, this duct is a significant part of the HVAC air distribution system. Using a genuine OEM air duct guarantees exact fitment and proper sealing, preventing air leaks and ensuring efficient and quiet operation of the heating and air conditioning system.