Genuine OEM Audi Radiator Air Duct, part number 4K0121283R. This component is designed to channel airflow directly to the radiator, optimizing its cooling performance. It is positioned on the left side of the vehicle. Made from durable plastic, it measures approximately 630mm long, 300mm wide, and 70mm high. Using a genuine OEM air duct ensures precise fitment and proper air channeling, which is crucial for maintaining optimal engine operating temperatures.