Genuine OEM Volkswagen Seal Ring, part number WHT009413. This seal ring is used in the transmission's oil pressure line for the engine oil cooling system, identified as item 12 in the diagram. With dimensions of 0.02m x 0.02m x 0.003m, its precise manufacturing ensures a reliable seal. Genuine OEM parts are critical for preventing leaks and maintaining transmission performance, providing exact tolerances for a secure fit.