Genuine OEM Audi Engine Air Intake Hose, part number 059129616D. This hose is an essential component of the engine's intake system, responsible for channeling clean, filtered air from the air filter housing to the throttle body. It is a corrugated hose, approximately 0.305 meters in length. Choosing a genuine OEM air intake hose ensures the correct internal diameter for optimal airflow, proper flexibility to absorb engine vibrations, and durable material construction to prevent cracks and maintain a sealed intake system.