Genuine OEM Volkswagen O-Ring Seal, part number N90955703. This O-ring is designed to create a tight seal between two mating surfaces, effectively preventing leaks of fluids or gases. It is located at point 9 in the diagram, likely within a fluid-carrying system. The precise dimensions and material composition ensure reliable sealing under operating conditions. Genuine OEM O-rings are manufactured to strict tolerances for optimal sealing performance and longevity.