Genuine OEM Audi Fuel Supply Line, part number 4H0201220F. This essential component is responsible for delivering fuel under pressure from the fuel tank to the engine, ensuring a continuous and reliable fuel supply for combustion. It connects directly to the fuel pump assembly within the tank and routes towards the engine's fuel rail. This line is engineered to withstand fuel pressure and resist degradation from various fuel types. Choosing a genuine OEM part guarantees the correct material composition, precise routing geometry, and secure connections, preventing leaks and maintaining optimal engine performance.