Genuine OEM Audi Engine Cooler Air Routing, part number 4K0121283AC. This component is designed to route airflow directly to the engine cooler, optimizing its cooling efficiency. It is positioned on the left side of the cooling assembly. Made from durable plastic, it measures approximately 615mm long, 300mm wide, and 65mm high. Using a genuine OEM air routing component ensures precise fitment and proper air channeling, critical for maintaining optimal engine operating temperatures.