Audi A6 C8 Door Wiring Wire Cable Harness Loom Rear Left Right N/O/S 4K5971687BG

Audi A6 C8 Rear Door Wiring Harness Left Right is an original electrical installation component designed for the rear of the body, on the left and right sides. Thanks to its factory fit for the Audi A6 C8 platform, the harness ensures door wiring harness consistency and proper cooperation with comfort modules and door equipment. A used OEM component is a sensible choice for repairs where compatibility, operational stability, and cost control are important.

Specifications and technical data

• SKU: 4K5971687BG
• Mark: Audi
• Condition: Used
• OEM Part Number: 4K5971687BG
• Substitutable numbers: 4K5971687BG, 4K5 971 687 BG
• Location on the vehicle: Rear, Right, Left
• Category: Other Starters, Alternators, ECUs & Wiring

Vehicle Purpose and Location

The presented wiring harness is intended for installation in the rear of the Audi body, on the left and right sides. It is responsible for the electrical connection between the doors and the rest of the vehicle's installation, ensuring stable power supply and signal transmission to the elements located in the doors.

Vehicle placement includes:

• rear door area,
• left side,
• right side.

This scope of application allows the harness to be used both for replacing a single section of the installation and for broader service work within the rear doors.

Technical Characteristics and Role in the Installation

The door wiring harness in the Audi A6 C8 is responsible for integrating multiple electrical circuits into one organized assembly. The use of a factory solution translates to:

• correct routing of wires in factory grommets and mounts,
• appropriate shielding and wire gauges selected for loads,
• maintaining compatibility with the electrical architecture of the specific model.

This makes restoring the installation's functionality after mechanical damage, connector corrosion, or wiring interference significantly easier and reduces the risk of subsequent malfunctions.

Benefits of Using an Original Audi Harness

Using an original door wiring harness in the Audi A6 C8 offers a number of practical service benefits:

• Factory Connector Fit – no need for installation modifications, soldering, or adapters.
• Consistency with existing electrical architecture – the harness is designed for a specific model and vehicle generation.
• Reduction of potential installation errors – wire routing according to original mounting points.
• Restoration of proper operation of elements located in the rear doors after previous installation damage.

A used OEM part allows for maintaining the high quality of workmanship characteristic of the Audi brand, while simultaneously reducing repair costs compared to purchasing a new harness.

Part Selection by Numbers and Integration with Other Components

The door wiring harness is identified in catalog systems by its OEM part number and interchangeable numbers. This allows for precise verification of compatibility with a specific equipment version and year of the Audi A6 C8, which is crucial when working with the vehicle's electrical system.

When planning broader modifications or repairs within high-performance models, it is worth paying attention to the structural differences between standard and sport versions. This topic is discussed in more detail in the article Audi RS vs. Other Models – What's Under the Hood and Chassis?, which helps to understand the specifics of technical solutions used in the Audi range.

When working with the electrical system and control modules, a guide on used electronic components may also be helpful, discussing selection by numbers, hardware and software compatibility, and practical aspects of installation: Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?.

Expanding Repair Scope in Audi

If you are planning a comprehensive repair or upgrade of the rear body area in your Audi and need other components from the same group, such as additional harnesses, connectors, or electrical installation parts, check the available parts in the Other Audi category.

By using original components from this group, you can maintain installation consistency, facilitate diagnostics, and reduce the risk of communication problems between control modules and the equipment in the doors and other body areas.