Genuine OEM Audi Wheel Housing Liner, part number 4E0821191E. This protective panel is designed to shield the wheel well and its internal components from road debris, water, salt, and other environmental elements. It helps prevent corrosion and damage to wiring, hoses, and other sensitive parts located within the wheel arch. Weighing 0.792 kg and measuring 0.89m in length, this liner is made from durable, often felt-like, material. Choosing a genuine OEM wheel housing liner ensures precise fitment within the wheel arch, proper drainage, and effective sound dampening, maintaining the vehicle's original protection and aesthetic.