Genuine OEM Volkswagen Radiator Air Duct, part number 5G0121283AD. This molded plastic duct is crucial for directing and optimizing the flow of ambient air towards the radiator, enhancing the engine's cooling efficiency. It is installed on the left side of the vehicle's front end, guiding air into the cooling system. Made from durable black plastic, this component weighs approximately 0.171 kg. Using a genuine OEM air duct ensures precise fitment, proper airflow dynamics, and resistance to engine bay temperatures, maintaining effective cooling performance.