Audi Q3 8U Rear Door Loom Wiring Harness Cable Left Right N/O/S 8U0971687B

Audi Q3 8U Rear Door Loom Wiring Harness Cable Left Right is an original electrical installation component designed for the rear body section of the Audi Q3 8U generation. It enables the correct electrical connection of the rear doors on both the left and right sides to the rest of the vehicle's installation, ensuring stable power supply and module communication. Thanks to its factory design from the Wires, harnesses and connectors group, the harness provides a perfectly matched service solution for this model.

Specifications and technical data

• SKU: 8U0971687B
• Mark: Audi
• Condition: Used
• OEM Part Number: 8U0971687B
• Substitutable numbers: 8U0971687B, 8U0 971 687 B
• Location on the vehicle: Rear, Right, Left
• Category: Wiring Harnesses, Cables & Connectors

Purpose and vehicle placement

The presented wiring harness is designed for installation in the rear part of the vehicle, supporting both the left and right sides. This means the component has been prepared for the specific rear door layout of the Audi Q3 8U, with appropriate wire lengths, connector placement, and geometry matched to factory grommets and mounting points.

Such a fit translates into:

• secure routing of the installation within the rear doors,
• reduced risk of abrasion and insulation damage,
• easier installation in existing mounting points.

Technical characteristics of the harness

The harness belongs to the Wires, harnesses and connectors group, meaning it is responsible for transmitting signals and power between the doors and the vehicle's main electrical installation. The connectors used are factory-matched to components mounted in the rear doors, such as actuators, controllers, or comfort elements, which facilitates service and reduces the need for modifications.

The original design ensures:

• consistency with the Audi Q3 8U factory electrical diagram,
• appropriate wire cross-section selected for current loads,
• compatibility with original connectors and mounting brackets.

Component condition and service application

The offered wiring harness is a used part, making it an attractive solution for post-accident repairs, mechanical door damage, or electrical installation issues in the rear of the vehicle. Using an original harness from disassembly allows for maintaining factory connection logic and reducing the time required to fit the installation.

In practice, such a component is particularly useful in situations where:

• wires in the grommet between the body and the door have been damaged,
• a complete harness replacement is necessary after bodywork repairs,
• there is a need to restore full electrical functionality of the rear doors.

Benefits of using an original Audi harness

Using an original wiring harness dedicated to the Audi Q3 8U reduces the risk of compatibility issues that may occur with replacements or installations made from scratch. Factory connectors and wire lengths facilitate assembly and subsequent diagnostics, and support the stable operation of comfort and safety systems in the rear doors.

If you are planning a comprehensive repair or upgrade of the door electrical installation area in your Audi and need other elements from the same group, such as additional harnesses, wire sections, or compatible connectors, check the available parts in the Audi wires, harnesses and connectors category.

Additional information and selection support

When selecting wiring harnesses for a specific vehicle configuration, it is important to pay attention to compatibility with the body version and door equipment. In case of doubt, it is worth consulting a mechanic or auto electrician who will verify the component's compatibility with the installation in your Audi Q3 8U.

If you want to better understand how the use of used OEM components affects repair time and workshop workflow, read the article: Availability of car parts off-the-shelf vs. repair time – how do used OEM parts shorten workshop stays?.