Audi RS4 B8 Door Left N/S Mirror Wing Electric Aluminium Coated 8K2857409AF

Visual condition of the part

The product shows signs of use visible in the photos.

Audi RS4 B8 Door Left N/S Mirror Wing Electric Aluminium Coated is an original, electrically operated body component designed for installation on the driver's side. The aluminium housing finish gives it a distinctive, sporty look while ensuring consistency with the factory finish of RS models. This is a solution for users who expect precise fitment, solid construction, and the preservation of factory aesthetics.

Specifications and technical data

• SKU: RHD-8K2857409AF-ALU
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K2857409AF
• Substitutable numbers: 8K2857409AF, 8K2 857 409 AF
• Location on the vehicle: Left
• Category: Mirror Assemblies

Technical characteristics and intended use

The presented mirror belongs to the Exterior mirrors category and has been designed specifically for the Audi RS4 B8 generation. Its placement on the left side of the vehicle ensures compatibility with the factory body layout and correct field of view geometry. The electric control allows for convenient adjustment of the mirror glass position from inside the cabin, facilitating precise settings according to the driver's individual preferences.

The aluminium housing finish emphasizes the sporty character of the RS version while being a durable solution resistant to typical operational stresses. The mirror construction is prepared to work with the vehicle's factory electrical installations, which helps maintain the integrity of the body systems.

Benefits of using an original Audi mirror

Using an original exterior mirror in an Audi RS4 B8 allows for maintaining stylistic consistency and performance parameters intended by the manufacturer. Key advantages include:

• Factory fitment – correct shape, mountings, and geometry relative to the door and pillar.
• Compatibility with the vehicle's electrical system, which facilitates installation and limits the need for modifications.
• Consistent, aluminium finish characteristic of the RS version, influencing the aesthetics of the entire side profile.
• The ability to restore proper visibility after a collision or damage to the factory component.

Thanks to this, the mirror will prove useful both for post-accident repairs and for replacing a worn-out element to maintain proper comfort and driving safety.

Component condition and installation aspects

The offered mirror is a used original component, which in practice means maintaining factory specifications while optimizing repair costs. Such components are frequently chosen by owners of premium cars who want to maintain a high level of quality without having to resort to replacements with uncertain parameters.

During installation, it is important to pay attention to the compatibility of the vehicle's equipment and the proper connection of the electrical harness. In most cases, replacing the mirror does not require interference with the door structure, and the work is limited to removing the door trim, unscrewing the mounts, and transferring the electrical connector. A correctly selected component allows for maintaining full adjustment functionality and an appearance consistent with the original.

Why it is worth choosing used originals

The automotive market is increasingly moving towards used OEM parts, especially in the premium car segment. In the case of the exterior mirror for the Audi RS4 B8, this means the possibility of obtaining factory-level quality, fitment, and performance at a much more favourable price than a new component from an authorized service centre. Additionally, it reduces the risk of compatibility issues typical of cheaper replacements.

If you want to learn more about the advantages of using used original components in premium cars, it is worth reading the article: Crisis in the new parts market? Why used originals for premium cars are the hottest trend in 2026. It is a practical discussion of current market realities and ways to plan repairs sensibly.

Expanding repairs in the visibility area

If you are planning a comprehensive repair or upgrade of the side visibility zone in your Audi and need other elements from the same group, such as housings, mirror glass, or complete adjustment sets, check the available parts in the Audi Exterior mirrors category.