Audi A7 4G8 Rear Door Wiring Harness Loom Wire Set Left Right N/O/S 4G8971687T

Audi A7 4G8 Rear Door Wiring Harness Loom Wire Set Left Right is an original electrical system component from the Wires, harnesses and connectors group, designed to support the rear doors on the left and right sides. It ensures a stable electrical connection between the door and the vehicle body, which translates into the proper operation of all components mounted in the rear doors.

Specifications and technical data

• SKU: 4G8971687T
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G8971687T
• Substitutable numbers: 4G8971687T, 4G8 971 687 T, 4L0 971 641, 4L0971641, 4G8971687AM, 4G8 971 687 AM
• Location on the vehicle: Rear, Right, Left
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and vehicle placement

The presented wiring harness has been designed specifically for the rear body section of the Audi A7 4G8 generation, intended for both the left and right sides. It is responsible for transmitting signals and power between the vehicle's main electrical system and components located in the rear doors, such as actuators, control modules, or comfort elements. Thanks to its precise fit for the specific body model, the harness maintains proper cable routing within the door grommets, minimizing the risk of insulation abrasion and electrical system interference.

Construction and technical properties

The harness belongs to the Wires, harnesses and connectors group, which means it has been constructed to ensure a stable connection of multiple circuits in one organized wiring assembly. The connectors used are factory-matched to the Audi system, which facilitates installation and eliminates the need for electrical system modifications. The arrangement of wires, segment lengths, and connector configuration are in accordance with factory specifications, which allows for maintaining the proper geometry of the harness routing in the doors and body pillars. This design limits mechanical stress during door opening and closing, supporting long-term, stable system operation.

Benefits of using an original Audi wiring harness

Using an original wiring harness in the Audi A7 4G8 allows for restoring full electrical functionality of the rear doors without the risk of incompatibility. This is particularly important in vehicles equipped with extensive comfort systems, where the correct operation of every circuit depends on the quality of electrical connections.

• factory connectors matched to the Audi system,
• organized cable routing in a single assembly,
• reduction of potential installation errors compared to modified systems,
• consistency with the vehicle's original electrical architecture. Thanks to this solution, a service center or workshop can efficiently restore the original wiring layout, which facilitates diagnostics and subsequent service work.

Component condition and service application

The wiring harness comes from disassembly, making it an attractive choice for post-accident repairs, mechanical damage to door grommets, or issues with intermittent circuits. This type of component is particularly useful when the vehicle experiences periodic power loss in the doors, module communication errors, or non-factory wiring repairs require the restoration of the original layout. Replacing the complete harness instead of local wire repairs often shortens service time and reduces the risk of recurring faults, as full, factory electrical continuity is restored throughout the entire rear door area.

Related components and vehicle equipment development

If you are planning a comprehensive repair or upgrade of the door zone in your Audi and need other components from the same group, such as additional wiring sections, connectors, or installation adapters, check the available parts in the Audi Wires, harnesses and connectors category. If you are simultaneously considering improving interior comfort, including replacing seats with branded parts from disassembly, practical tips on the impact of such modifications on driving comfort and vehicle value can be found in the article Interior metamorphosis: how branded seats from disassembly improve comfort and increase car value.