Genuine OEM Audi Intake Air Duct, part number 420129510D. This component is responsible for directing ambient air into the engine's intake manifold. It is located in the intake system, connecting to the air filter housing and throttle body. The duct weighs 0.561 kg and has dimensions of 0.67m x 0.225m x 0.118m. Genuine OEM intake ducts are designed with precise internal contours to ensure smooth airflow and optimal engine performance.