Genuine OEM Volkswagen Seal Ring, part number N90436601. This ring-shaped component is used to create a seal and prevent leakage or wear between moving parts, specifically within the seat belt mechanism. It is located at position 10 in the diagram. The seal ring ensures the smooth operation of the seat belt retractor and buckle components. Genuine OEM seal rings are manufactured with precise tolerances to guarantee the reliability and safety of the restraint system.