Audi A6 C7 4G Rear Door Harness Left N/S Wiring Loom Cable 4G5971687AT

Audi A6 C7 4G Rear Door Harness Left N/S Wiring Loom Cable is an original door wiring harness designed for installation on the rear passenger side. As a component from the Wires, harnesses and connectors group, it ensures a proper electrical connection between the door and the vehicle body wiring, which translates into stable operation of the electrical equipment in the rear left door.

Specifications and technical data

• SKU: 4G5971687AT
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G5971687AT
• Substitutable numbers: 4G5971687AT, 4G5 971 687 AT
• Location on the vehicle: Rear, Left
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function

The offered harness is dedicated to the rear left body section of the Audi A6 C7 (4G) generation. It is responsible for transmitting signals and power between the vehicle's main wiring and components located in the rear left door, such as window controls, central locking, or other factory-fitted electrical receivers intended for this model.

By maintaining the factory cable routing and original connectors, the harness allows for full compatibility with the vehicle's electrical system without the need for modifications or adaptations.

Construction and fitment for Audi

As a component from the Audi Wires, harnesses and connectors group, the door harness has been designed for the specific structural layout of the rear left door. The appropriately selected cable length, placement of mounting points, and connector types enable correct installation routing through the door grommet and inside the door panel.

Factory connectors ensure a proper fit with modules and electrical components in the door, which minimizes the risk of loose connections, signal interference, or communication issues within the vehicle's bus system.

Benefits of using an original harness

Using an original door harness in an Audi A6 C7 offers a number of practical advantages:

• precise fit for the rear left body section without the need for installation modifications,
• preservation of factory cable routing and mounting points,
• compatibility with original modules and door equipment,
• reduction of the risk of electrical faults resulting from improper connections.

As a result, replacing a damaged harness with an original part allows for restoring the correct operation of the electrics in the rear left door without interfering with other vehicle circuits.

Condition and service application

The offered harness is a used part, which in service practice often represents a reasonable compromise between repair costs and maintaining original build quality. This type of solution is particularly useful for repairs following mechanical damage to door grommets, tampering with the wiring, or wire corrosion within the rear left door area.

Replacing the harness with an original part from dismantling allows you to maintain the integrity of the Audi electrical system while reducing the time required for adjustment and diagnostics after installation.

Expanding the installation in Audi – wires, harnesses and connectors

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 door harnesses, adapter connectors, or body wire sections, check the available parts in the Audi Wires, harnesses and connectors category.

If you are considering a choice between a used original part and a replacement and want to learn about practical decision-making criteria, the article 5 reasons why a used OEM part is a better choice than a replacement, which describes specific examples and differences in operation, may be helpful.