Genuine OEM Audi Fuel Supply Line, part number 8K0201220D. This crucial component is responsible for safely transporting fuel under pressure from the vehicle's fuel tank to the engine, ensuring a consistent and reliable supply for combustion. It is routed from the fuel tank towards the engine bay, often along the vehicle's undercarriage. Constructed from high-quality, fuel-resistant materials, this line is designed to withstand internal pressure and external environmental factors. Using a genuine OEM fuel supply line guarantees proper material integrity, correct routing, and secure connections, which are paramount for fuel system safety and optimal engine performance.