Audi RS4 B8 Door Harness Loom Cable Wiring Rear Left N/S 8K0971687AG

Audi RS4 B8 Door Harness Loom Cable Wiring Rear Left N/S is an original electrical wiring harness designed for installation in the rear left door of the vehicle. This component belongs to the Cables, harnesses and connectors group, ensuring proper routing of signals and power between the door and the vehicle body. This used, factory-made harness is a practical solution for post-collision repairs, door replacements, or damaged wiring installations.

Specifications and technical data

• SKU: 8K0971687AE
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0971687AG
• Substitutable numbers: 8K0971687AG, 8K0 971 687 AG, 8K0971687AE, 8K0 971 687 AE
• Location on the vehicle: Rear, Left
• Category: Wiring Harnesses, Cables & Connectors

Application and vehicle function

This door harness has been specifically designed for installation in the rear left door, which guarantees proper cable routing through the grommet and correct connection of plugs to factory modules and receivers. It is responsible for transmitting power and control signals to components located in the door, such as actuators, switches, or lighting, depending on the specific configuration of the Audi vehicle.

Thanks to the factory cable routing and appropriately selected connectors, the harness allows for maintaining the vehicle's original electrical architecture, which is particularly important during repairs following mechanical damage or interference with the installation.

Construction, compatibility and part group

The harness belongs to the Cables, harnesses and connectors group, meaning it is constructed as a ready-to-install section of the installation with factory terminals and connectors. The arrangement of wires, section lengths, and mounting points are matched to the geometry of the Audi RS4 B8 door and body, which facilitates installation and reduces the risk of tension or insulation abrasion.

The original Audi design promotes compatibility with factory control modules and other installation components. This is especially important in vehicles equipped with extensive comfort electronics, where connection stability and correct module coding depend on proper wiring.

Benefits of using an original harness

• Factory fitment for the rear left side of the vehicle, with no need for installation modifications.
• Consistency with the original Audi electrical architecture, which facilitates diagnostics and service.
• Ready-to-use connectors and mounting points, speeding up installation and reducing the risk of errors.
• A cost-effective solution for repairs following mechanical damage to doors or grommets.

Using a used, original harness allows for restoring full door functionality without the need to build an installation from scratch or use universal wires, which can be more difficult to integrate with the vehicle's system.

Condition, installation and practical tips

The item is offered as a used part, which in practice means it comes from disassembly and has been verified for installation suitability. Before installation, it is recommended to perform a standard inspection of the condition of the insulation, connectors, and grommets, followed by installation in accordance with the factory cable routing in the door and pillar.

The harness is intended for installation in the rear left part of the vehicle, so during service work, it is worth paying attention to the correct positioning of the wires in the grommet between the door and the body to avoid excessive bending and potential damage in the future.

Expanding the installation in Audi – cables and harnesses group

If you are planning a comprehensive repair or upgrade of the door area in your Audi and need other elements from the same group, such as additional wiring sections, connectors, or harnesses for other doors, check the available parts in the Audi cables, harnesses and connectors category.

For drivers considering the use of used, original components in premium class cars, practical tips on selecting and verifying parts from disassembly may also be useful – you can find them in the article Used parts for Mercedes - original parts from disassembly, which discusses the advantages of using factory components at a reasonable price.