Genuine OEM Volkswagen Engine Radiator Air Duct, part number 5NA121283AS. This duct is designed to efficiently direct airflow to the radiator, ensuring proper engine cooling. It is positioned on the left side of the engine bay. Constructed from durable black plastic, it weighs approximately 0.102 kg and measures 0.54m in length. Choosing a genuine OEM air duct ensures precise fitment and optimal airflow characteristics, critical for maintaining engine temperature.