Genuine OEM Audi Front Left Air Brake Duct, part number 8W6121763BT94. This component is crucial for directing optimal airflow to the braking system, aiding in heat dissipation and maintaining brake performance. It is installed on the front left side of the vehicle. The duct features a T94 finish, typically a black plastic. Choosing genuine OEM ensures the correct aerodynamic design and durable material construction, which are vital for effective brake cooling and long-term reliability under various driving conditions.