Genuine OEM Volkswagen Sealing Plug, part number WHT000422A. This plug is used to seal an opening or hole, preventing the escape of fluids or the ingress of contaminants. It is identified as item 6 in the diagram, likely within an oil system. The sealing plug has dimensions of 0.025m x 0.025m x 0.023m. Genuine OEM sealing plugs are manufactured to precise specifications, ensuring a secure and leak-free seal essential for engine component longevity.