Genuine OEM Volkswagen Washer, part number N91109201. This washer is designed to provide optimal load distribution and surface protection when used with corresponding fasteners in the underbody or engine assembly. It ensures that clamping force is applied evenly, preventing damage to the mounting surfaces of the components. The washer is manufactured from corrosion-resistant materials to maintain integrity in exposed environments. Genuine OEM washers are essential for preventing fastener loosening and maintaining the correct tension in critical assemblies.