Genuine OEM Audi grommet, part number 893877399. This grommet is designed to provide a secure, vibration-dampening seal where components or wiring pass through body panels. It is marked as number 2 in the assembly diagram. The grommet is manufactured from high-quality, resilient rubber to ensure a tight fit and resistance to environmental degradation. Genuine OEM grommets are essential for maintaining a proper seal against moisture and debris, preventing electrical shorts and protecting sensitive components from mechanical wear.