Genuine OEM Audi Air Guide, part number 4K0121763H. This component is designed to precisely direct airflow within the vehicle's cooling or intake system, optimizing thermal management. It is positioned on the left side, typically within the front bumper or engine bay area. Constructed from durable automotive-grade plastic, it measures approximately 20 cm long. Using a genuine OEM air guide ensures correct aerodynamic properties and proper fitment for efficient airflow management.