Genuine OEM Volkswagen Intake Air Duct, part number 4M0129510D. This component is responsible for directing ambient air from outside the vehicle into the engine's air intake system, ensuring a consistent and optimal supply of air for combustion. It is positioned as part 13 in the diagram, within the air intake assembly. With dimensions of 0.665m x 0.25m x 0.07m and a weight of 0.766 kg, this duct is engineered for precise fit and airflow characteristics. Genuine OEM intake ducts maintain the exact contours and material properties required for efficient airflow and engine performance.