Genuine OEM Audi Front Left Brake Air Duct, part number 4KE121733. This duct is designed to channel airflow directly to the braking system, aiding in heat dissipation and preventing brake fade. It is located on the front left side of the vehicle, integrated into the underbody or wheel well assembly. Constructed from durable material, it weighs approximately 0.152 kg. Using a genuine OEM brake air duct ensures the correct aerodynamic design and mounting points, providing efficient cooling and maintaining the intended performance of the braking system.