Audi A4 B9 Outer Electric Wing Mirror Without Cap Left N/S Side 8W2857409A

Audi A4 B9 Outer Electric Wing Mirror Without Cap Left N/S Side is an original body component designed for the precise replacement of the factory driver-side mirror. The product belongs to the Wing Mirrors category and is prepared for installation in Audi vehicles, ensuring factory-compliant geometry, stable mounting, and proper operation of the electric adjustment. The Glacier White Pearl paint finish allows for aesthetic matching to the vehicle's bodywork in this specific color specification or preparation for repainting.

Specifications and technical data

• SKU: RHD-8W2857409A-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W2857409A
• Substitutable numbers: 8W2857409A, 8W2 857 409 A
• Location on the vehicle: Left
• Part type: Standard Mirror Assembly
• Color: Glacier White Pearl - S9R
• Category: Mirror Assemblies

Purpose and function in the vehicle

The presented mirror is designed for installation on the left side of the vehicle, i.e., the driver's side. As an electrical component, it is responsible for the convenient adjustment of the mirror glass position from inside the cabin, which increases the safety of monitoring the side and rear zones while driving, maneuvering, and parking.

The absence of an external cover/cap allows you to use the existing cover from your previous mirror or select a new one, color-matched to a specific vehicle. Thanks to this solution, it is easier to carry out post-accident repairs or partial upgrades without the need to interfere with the entire door structure.

Construction, color, and fitment

The mirror belongs to the Wing Mirrors category, which means its construction is optimized for resistance to weather conditions and stability at higher speeds. The applied paint in the Glacier White Pearl - S9R shade is a characteristic pearlescent white used in Audi models, which facilitates visual matching to the bodywork in the same color.

The original Audi origin translates into proper fitment with the door, factory mounting points, and the vehicle's electrical harness. As a result, the installation proceeds in an orderly manner, without the need for structural modifications or mounting adaptations.

Benefits of using an original mirror

Using an original driver-side wing mirror for the Audi A4 B9 provides several significant technical benefits:

• preservation of factory field-of-view geometry and correct mirror angle settings,
• compatibility with the vehicle's electrical system,
• visual consistency with the body line and other bodywork elements,
• possibility to use the existing cover or match a new one in the same color.

Such a solution is particularly beneficial for post-collision repairs, where it is essential to restore the original functional and aesthetic parameters without excessive interference with the door structure.

Condition, origin, and practical application

The mirror comes from dismantling and has the status of a used original Audi component, which in practice means a favorable combination of factory build quality and an attractive price compared to new parts. This solution is often chosen by workshops specializing in post-accident repairs and by individual users who want to maintain consistency with factory equipment.

The component will work well both for replacing a damaged driver-side mirror and for staged body restoration, when it is necessary to restore full side adjustment functionality without investing in a complete new set with a cover.

Repair expansion – other Audi mirrors

If you are planning a comprehensive repair or upgrade of the side body area in your Audi and need other elements from the same group, such as mirror glass, complete housings, or additional adjustment modules, check the available parts in the Audi Wing Mirrors category.

For users interested in broader drivetrain modernization or changing driving characteristics, guide materials regarding the selection of gear ratios and dismantled components may also be useful – a detailed discussion can be found in the article Dismantled drive axles and differentials – how to choose gear ratios for your driving style.