Genuine OEM Audi Rear Outer Stone Guard, part number 8K0505413B. This protective component is designed to shield the outer areas of the vehicle's rear underbody and suspension from impacts by road debris and stone chips. It is specifically installed on the left side of the rear axle assembly. Measuring approximately 540mm in length, this guard is constructed from durable, impact-resistant material. Choosing a genuine OEM stone guard ensures precise fitment and the intended level of protection, which is crucial for preventing damage and maintaining the longevity of exposed components.