Genuine OEM Audi Wheel Housing Liner, part number 8T8810171A. This essential component provides crucial protection for the wheel well, shielding internal components from road debris, water, and salt. It is designed for the rear left position. Constructed from durable, impact-resistant plastic, it maintains its shape and protective qualities under various driving conditions. Choosing a genuine OEM liner ensures precise fitment and factory-level protection against environmental elements.