Genuine OEM Audi Air Duct, part number 8R0129739A. This molded plastic component is designed to precisely direct airflow within the vehicle's intake system, often connecting the air filter housing to other intake components. It features a bellows-like section for flexibility and vibration absorption. Weighing 0.159 kg and measuring 0.275m in length, it is constructed from durable black plastic. Choosing a genuine OEM air duct ensures correct airflow dynamics, a perfect seal, and resistance to engine bay temperatures and vibrations, maintaining optimal engine performance and filtration.