Audi A4 B8 Front Door Left N/S Brilliant Black Metallic - Y9B

Listing details and visual condition of the part

Possible scratches and paint chips – condition as shown in the product photos.

The offer applies to the bare door – without handle, window, lock, trims, or any other accessories.

There is an option to purchase a complete door for an additional fee of 80 GBP.

Audi A4 B8 Front Door Left N/S Brilliant Black Metallic - Y9B is an original body component from the Doors and door panels group, designed for installation on the front left side of the vehicle. The dark Brilliant Black Metallic - Y9B paint allows for a consistent visual match to the factory body finish, facilitating post-accident repairs or the replacement of a damaged panel.

Specifications and technical data

• SKU: 8K0831051J-BBL1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0831051J
• Substitutable numbers: 8K0831051J, 8K0 831 051 J
• Location on the vehicle: Front, Left
• Color: Brilliant Black Metallic - Y9B
• Category: Doors & Door Skins

Purpose and fitment for Audi A4 B8

The presented door has been designed as a body component mounted on the front left side, in accordance with the factory geometry of the Audi A4 B8. This ensures the retention of correct mounting points for hinges, the lock, and seals, which translates into proper alignment with the fender, rocker panel, and pillar. As a result, the panel can be used both for bodywork repairs and for vehicle reconstruction following a collision.

Characteristics of the Brilliant Black Metallic - Y9B paint

The Brilliant Black Metallic - Y9B color is a dark, metallic shade used by the factory in Audi vehicles, providing a subdued, elegant look to the body. The metallic structure of the paint enhances the visual depth of the surface and allows for an aesthetic match to other body components with the same color code. In practice, this limits the scope of necessary paint work to potential shading and coating correction.

Function of the body component and installation advantages

The front left door plays a key role in protecting the cabin, ensuring lateral body rigidity, and the proper operation of the locking mechanism. Using an original panel from the Doors and door panels group allows for maintaining:

• the factory body line and correct gaps between elements,
• proper geometry for windows, seals, and the lock,
• compatibility with factory interior equipment mounts.

The component in used condition represents a reasonable compromise between repair costs and maintaining the original body structure, which is essential for professional bodywork repairs.

Application in bodywork and restoration repairs

Replacing the complete front left door is often the most effective solution for more serious damage to the side of the body, such as dents on the edges, structural deformations, or corrosion. Using an original panel for Audi allows you to:

• reduce workshop time compared to extensive repairs and filling,
• maintain predictable fitment parameters and lock operation,
• limit the risk of issues with window and seal adjustment.

For workshops specializing in the Audi brand, this is a practical solution that facilitates maintaining high-quality repairs while keeping costs under control.

Repair expansion – Audi Doors and door panels

If you are planning a comprehensive repair or upgrade of the side body zone in your Audi and need other elements from the same group, such as skins, outer panels, or additional reinforcements, check out the available parts in the Audi Doors and door panels category.