Genuine OEM Audi Radiator Air Duct, part number 4M8121334A. This component is crucial for directing ambient air precisely to the radiator, enhancing its cooling efficiency and maintaining optimal engine operating temperatures. It is designed for installation on the right side of the radiator assembly. With approximate dimensions of 0.32m length, 0.30m width, and 0.22m height, it is a lightweight part. Opting for a genuine OEM air duct guarantees a perfect fit and proper aerodynamic design, essential for the cooling system's performance and longevity.