Genuine OEM Volkswagen flat washer, part number 0B4409227. This washer serves to distribute the load of a fastener over a larger area, preventing damage to the connected surfaces and ensuring proper torque is maintained. It is a small but essential component within various mechanical assemblies, marked as item 27 in the diagram. Made from high-quality steel, it offers durability and resistance to deformation. Genuine OEM washers are manufactured to exact tolerances for optimal performance and safety.