Audi Q3 8U Door Loom Wiring Harness Cable Rear Left Right N/O/S 8U0971687J

Audi Q3 8U Wiring Harness Door Left Right Rear is an original electrical installation component designed for the rear part of the body, on the left and right sides. Thanks to factory fitting for the specific Audi model, it ensures stable electrical connections and proper cooperation with door modules. This is a practical solution for workshops and users who want to restore full functionality to the rear doors without modifying the installation.

Specifications and technical data

• SKU: 8U0971687J
• Mark: Audi
• Condition: Used
• OEM Part Number: 8U0971687J
• Substitutable numbers: 8U0971687J, 8U0 971 687 J
• Location on the vehicle: Rear, Right, Left
• Category: Wiring Harnesses, Cables & Connectors

Vehicle Purpose and Location

The presented wiring harness belongs to the Cables, Harnesses, and Connectors group and has been designed for installation in the rear doors on both the left and right sides. This means it serves the rear cabin area, where it is responsible for powering and communicating with electrical components located within the doors.

Vehicle placement includes:

• the rear body zone,
• the rear driver's side door,
• the rear passenger's side door.

This scope of application allows for the use of a single, dedicated solution to service both rear doors, simplifying part selection and repair planning.

Technical Characteristics of the Harness

The door wiring harness has been prepared as an Audi electrical installation component, adhering to the manufacturer's standards for wire routing, connector placement, and resistance to operating conditions within the doors. Appropriately selected wire gauges and connector layouts promote stable signal transmission and proper power supply to receivers.

The connector layout is adapted to the factory mounting points in the rear doors, which reduces the risk of wire strain during door opening and closing. This allows the harness to operate within the manufacturer's intended range of motion, without requiring installation modifications.

Application in Service and Repairs

This component is particularly useful in situations where the original wiring has been damaged due to abrasion, contact corrosion, or mechanical interference within the door area. Using an original wiring harness allows for:

• restoring correct operation of the rear door's electrical system,
• maintaining compliance with the factory Audi installation schematic,
• reducing the time required for diagnostics and wire adaptation.

For workshops, this means a more predictable installation process, and for users, it provides greater confidence that the installation will cooperate with existing modules and control units without additional modifications.

Brand, Condition, and Benefits of Choosing the Part

The wiring harness comes from the Audi brand, which translates to compliance with factory quality and fitment standards. The product is used, making it an attractive cost-effective alternative while maintaining original construction and wire geometry. For many repairs, especially on vehicles several years old, this represents a sensible compromise between budget and quality.

Dedicated manufacturer markings and assignment to the appropriate category facilitate the selection of the correct harness for a specific vehicle version. This allows the part to be effectively utilized by both professional service centers and users who are independently sourcing installation components.

Support with Selection and Installation Expansion

If you are planning a comprehensive repair or upgrade of the rear door area in your Audi and require other components from the same group, such as additional wiring sections, connectors, or transition harnesses, check the available parts in the Audi Cables, Harnesses, and Connectors category.

For users who want to make informed choices when buying used electrical installation components and other parts, a practical guide describing the principles of safe online purchasing may be useful – you can find it in the article Safe Online Purchase of Used Car Parts – A Step-by-Step Guide, prepared for drivers and workshops.