Genuine OEM Volkswagen Engine Vent Hose, part number 3Q0122447K. This flexible hose is a vital component of the engine's ventilation system, designed to allow gases to escape from the crankcase. It connects to a reservoir within the engine bay. Weighing only 0.043 kg, it is engineered for precise routing and resistance to engine byproducts. Using a genuine OEM vent hose ensures correct material composition and flexibility, preventing leaks and maintaining optimal engine performance and emissions compliance.