Genuine OEM Audi Radiator Support Air Duct, part number 4E0121283F. This air duct efficiently guides airflow to the radiator, ensuring optimal cooling performance for the engine. It is positioned on the right side, integrated into the radiator support structure. Weighing approximately 0.196 kg, this plastic component is designed for precise aerodynamic channeling. Using a genuine OEM air duct ensures correct airflow patterns and efficient heat exchange, vital for preventing engine overheating.