Genuine OEM Volkswagen Grommet, part number 2N0915143A. This grommet seals and protects openings in the vehicle body or components, often used in electrical wiring to prevent damage and ensure proper insulation. It is located at position 20 in the diagram, typically where wiring passes through a panel. Genuine OEM grommets provide the correct material and dimensions for a secure and protective fit, maintaining the integrity of electrical systems.