Genuine OEM Volkswagen Side Member, part number 5Q0803501AS. This is a critical structural component that forms part of the vehicle's chassis, providing support and rigidity. It is located on the side of the vehicle's underbody assembly, marked as part 8 in the diagram. Constructed from durable steel, this part is designed for long-lasting performance and structural integrity. Genuine OEM parts are essential for body panels and structural components to ensure precise fitment, factory contour, and the correct material properties for safety and durability.