Genuine OEM Volkswagen Rear Wheel Arch Liner, part number 1K5810972D. This protective component is installed within the wheel housing to shield critical underbody components from road debris, water, salt, and other environmental elements. It is specifically designed for the right-hand rear wheel arch. Constructed from durable molded plastic or felt material, it offers robust protection and helps reduce road noise. Choosing a genuine OEM wheel arch liner ensures an exact contour and mounting points for a secure fit, preventing gaps that could allow contaminants to enter and cause damage.