Genuine OEM Volkswagen Rear Bumper Diffuser Filler Piece, part number 5G6807509B. This component is designed to fill a specific gap or opening within the rear bumper diffuser assembly, contributing to the vehicle's aerodynamic profile and aesthetic completeness. It is located on the left side of the rear bumper. Weighing 0.0418 kg, this genuine part ensures a precise fit and finish, maintaining the factory appearance and structural integrity of the bumper system.