Genuine OEM Audi Fuel Line, part number 4K0201215AF. This component is responsible for transporting fuel within the engine's fuel delivery system, ensuring a consistent supply to the engine. It is positioned as part of the fuel rail or intake manifold assembly. Constructed from materials resistant to fuel and pressure, it maintains system integrity. Using a genuine OEM fuel line ensures precise routing, correct connections, and resistance to fuel degradation, preventing leaks and maintaining optimal fuel system performance.