Genuine OEM Audi Engine Air Intake Hose, part number 3D0129615S. This hose is responsible for directing clean, filtered air from the air filter housing into the engine's intake system, supporting efficient combustion. It is positioned between the air filter box and the throttle body or turbocharger inlet. Weighing 0.138 kg and measuring 0.245m in length, this hose features a corrugated design for flexibility and durability. Opting for a genuine OEM intake hose ensures precise fitment, correct air sealing, and resistance to engine bay temperatures and vibrations, maintaining optimal engine performance.