Genuine OEM Audi Fuel Supply Line, part number 8K0201545BF. This critical component is responsible for transporting fuel from the fuel tank to the engine, maintaining the necessary fuel pressure for combustion. It measures approximately 1.2 meters in length. Choosing a genuine OEM fuel supply line ensures precise routing, correct material composition, and secure connections, which are vital for preventing fuel leaks and ensuring the long-term reliability of the fuel system.