Genuine OEM Audi Wheel Arch Cover, part number 420810171L. This part functions as a liner within the wheel well, shielding the vehicle's body and components from water, mud, stones, and other road debris. It is positioned inside the front or rear wheel arch. Constructed from durable plastic to withstand harsh environmental conditions and impacts. Genuine OEM parts are manufactured to precise specifications, ensuring proper fitment and long-term durability without compromising the vehicle's structural integrity.