Genuine OEM Audi Fuel Tank Ventilation Line, part number 8J0201163F. This rigid line is an essential component of the fuel system, designed to safely vent fuel vapors from the fuel tank, preventing pressure buildup and ensuring proper emissions control. It is typically routed along the top or side of the fuel tank, specifically on the right side. Weighing 0.2 kg, this line is constructed from materials resistant to fuel and environmental exposure. Choosing a genuine OEM ventilation line guarantees exact routing, secure connections, and material compatibility, which is crucial for maintaining the integrity and safety of the vehicle's fuel and evaporative emissions systems.