Genuine OEM Audi Fuel Tank Breather Line, part number 8K0201183C. This line is an integral part of the fuel system, designed to allow gases to vent safely from the fuel tank, which helps maintain proper pressure and prevents fuel system malfunctions. It is positioned as part of the fuel tank assembly. The line measures approximately 0.475 meters in length and weighs 0.17 kg. Installing a genuine OEM breather line ensures the correct material, flexibility, and connection points for a leak-free and compliant fuel system.