Description
Audi A4 B7 Door Wing Mirror Base Left N/S Outside Mirror is an original body component designed for installation on the driver’s side. It ensures stable mounting of the mirror glass and housing, and thanks to its factory finish in Light Silver Metallic – Y7W, it helps maintain a consistent vehicle appearance. This is a practical solution for replacing a damaged mirror or repairing the side body area.
Specifications and technical data
- SKU: RHD-8E2858531AA
- Mark: Audi
- Condition: Used
- OEM Part Number: 8E2858531AA
- Substitutable numbers: 8E2858531AA, 8E2 858 531 AA
- Location on the vehicle: Left
- Part type: Standard Mirror Assembly
- Color: Light Silver Metallic – Y7W
- Category: Mirror Assemblies
Purpose and function of the component
The mirror base is designed for installation on the left side of the vehicle, at the factory door mirror mounting point. It is responsible for the rigid connection between the mirror and the door panel, transferring aerodynamic loads, and ensuring the correct positioning of the mirror relative to the driver. This allows the driver to maintain a proper field of view and safely observe the vehicle’s surroundings while driving and maneuvering.
Color and body matching
The factory color Light Silver Metallic – Y7W makes it easy to match the component to the original Audi body paint. In many cases, this allows for reducing or completely eliminating the need for additional painting, which shortens repair time and lowers costs. At the same time, visual consistency between the door, pillar, and mirror is maintained, which is important both for aesthetics and for the potential resale value of the vehicle.
Performance characteristics and installation
The mirror base is a structural component that must withstand loads resulting from driving speeds, vibrations, and accidental impacts, e.g., while parking. The original Audi part ensures:
- correct mounting geometry relative to the door and pillar,
- stable seating of the entire mirror assembly,
- compatibility with factory mounting points in the door.
Thanks to this, the replacement of a damaged base is predictable for the service center, and the risk of fitment issues or leaks around the door area is minimized.
Condition and use in repairs
The component belongs to the Outside mirrors group and is intended for re-installation in a vehicle. It is suitable for post-accident repairs, replacing corroded or mechanically damaged mounts, and restoring full mirror functionality after a parking collision. Using an original base allows for maintaining factory fitment with the door and proper routing of wiring and mechanisms inside the mirror.
Modernization and tuning with used parts
When working on the side body area, many users decide to simultaneously replace or upgrade other mirror elements, such as housings, glass, or turn signals. For projects focused on cost optimization, it is worth considering the use of verified components from the secondary market – you can find more practical tips in the article Tuning with used parts – how to gain performance without spending a fortune.
If you are planning a comprehensive repair or modernization of the side body area of your Audi and need other elements from the same group, such as mirror housings, glass, or mounts, check out the available parts in the Audi outside mirrors category.
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