Genuine OEM Volkswagen Radiator Air Duct, part number 5H0121283B. This left-side air duct is designed to precisely channel airflow towards the radiator, maximizing cooling efficiency for the engine. Proper airflow management is crucial for maintaining optimal engine operating temperatures and preventing overheating. Constructed from durable, lightweight material, it measures 0.52 meters in length and weighs 0.131 kg. Choosing a genuine OEM air duct ensures the correct aerodynamic design and mounting points, guaranteeing effective cooling and seamless integration with the vehicle's front end components.