Genuine OEM Audi Air Intake Hose, part number 3B0129615K. This flexible hose is designed to connect various components within the engine's air intake system, facilitating the smooth and clean flow of air to the engine. Made from durable rubber, it weighs 0.343 kg and measures 0.28 meters in length. Using a genuine OEM hose ensures precise fitment, optimal sealing, and resistance to engine bay temperatures and pressures, which is crucial for maintaining consistent engine performance and fuel efficiency.