Genuine OEM Audi Front Left Wheel Housing Liner, part number 8T0821171M. This liner is positioned in the front left wheel well, providing essential protection against road debris, water, and salt. Made from durable, impact-resistant plastic, it helps prevent corrosion and damage to critical components within the wheel arch. Genuine OEM liners ensure a precise fit and proper drainage, maintaining the integrity of the underbody protection system.