Genuine OEM Volkswagen Breather Line, part number 5Q0201931G. This essential component facilitates the controlled entry and exit of air within the fuel system, preventing vacuum or pressure buildup in the fuel tank. It is an integral part of the evaporative emissions system, ensuring proper ventilation. Weighing 0.059 kg and measuring 1.35m in length, this line is designed for durability and chemical resistance. Using a genuine OEM breather line ensures correct routing geometry, material compatibility with fuel vapors, and proper function of the vehicle's emissions system.