Genuine OEM Volkswagen Ventilation Tube, part number 3D0201090N. This tube serves as a critical component in the fuel tank's ventilation system, allowing for proper air circulation and pressure regulation. It is located within the fuel tank assembly. Constructed from durable, fuel-resistant plastic to ensure reliable and long-lasting performance. Genuine OEM parts are essential for fuel system components to guarantee precise fitment, prevent fuel vapor leaks, and maintain the integrity of the emissions control system.