Genuine OEM Audi fuel hose, part number 8K0201543K. This hose is designed to facilitate the secure transport of fuel within the fuel supply system, maintaining system pressure and preventing leaks. It is engineered to withstand the chemical properties of modern fuels and the specific operating temperatures of the engine bay. Genuine OEM parts are essential for fuel lines to ensure the correct material composition, burst pressure rating, and precise routing geometry required for safe and reliable operation.