Genuine OEM Volkswagen Air Duct, part number 5K0121283E. This component is designed to precisely direct airflow to specific engine components, playing a crucial role in either engine cooling or intake system efficiency. It is positioned on the left side of the engine bay. Made from durable, heat-resistant black plastic, it weighs approximately 0.0785 kg. Choosing a genuine OEM air duct ensures the correct shape, mounting points, and material properties for optimal airflow management, which is vital for maintaining engine operating temperatures and performance.