Genuine OEM Audi Lower Radiator Support Air Duct, part number 4KE121293A. This component is designed to channel and direct airflow to the radiator, enhancing the efficiency of the engine cooling system. It is typically located at the lower section of the radiator support. Constructed from robust, lightweight plastic, it weighs approximately 0.58 kg. Opting for a genuine OEM air duct ensures proper fitment, durability, and maintains the vehicle's intended thermal management characteristics.