Genuine OEM Volkswagen Retaining Washer, part number N90015102. This washer is designed to prevent a fastener or component from loosening or dislodging. It is located in the rear body panel assembly. The retaining washer has dimensions of 0.012 m x 0.012 m x 0.002 m and a weight of 0.00025 kg. Genuine OEM retaining washers are manufactured with precise tolerances to maintain fastener integrity and prevent vibration-induced loosening.