Genuine OEM Audi Vent Hose, part number 8K0201991AR. This hose provides ventilation within a vehicle system, facilitating the movement of air or vapors to maintain proper pressure and function. It is shown as item 23 in the diagram, connecting components within what appears to be a fuel or evaporative emissions system. Weighing 0.1325 kg, this hose is engineered for specific routing and material resistance. Choosing a genuine OEM hose ensures correct material composition, flexibility, and resistance to system fluids and environmental conditions, preventing leaks and system malfunctions.