Audi A3 8P Rear Door Wiring Loom Harness Left Right N/O/S 8P4971693S

Audi A3 8P Rear Door Wiring Loom Harness Left Right is an original electrical installation component designed to support the rear doors on both the left and right sides of the Audi A3 8P model. Thanks to its factory-fit design for the specific body type, it ensures a seamless connection between all door-mounted electrical components and the vehicle's main wiring harness. This is a practical solution for workshops and users looking to restore full door electrical functionality without the need for modifications.

Specifications and technical data

• SKU: 8P4971693S
• Mark: Audi
• Condition: Used
• OEM Part Number: 8P4971693S
• Substitutable numbers: 8P4971693S, 8P4 971 693 S, 8P4971693AB, 8P4 971 693 AB
• Location on the vehicle: Rear, Right, Left
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function of the wiring harness

The presented harness belongs to the Wires, harnesses, and connectors category and is designed to operate in the rear doors on both sides of the vehicle. It is responsible for transmitting signals and power between the body control modules and components located in the doors, such as actuators, switches, or other electrical parts specified by the manufacturer for a given vehicle configuration. Using an original harness allows for the preservation of the factory installation architecture, which facilitates future diagnostics and servicing.

Construction and fitment for Audi A3 8P

The Audi A3 8P Rear Door Wiring Loom Harness Left Right has been prepared specifically for the body geometry of the Audi A3 8P, with appropriately selected wire lengths, connector placement, and mounting points. The wires are routed to allow for proper operation during repeated door opening and closing, while maintaining required bending radii and length slack. The connectors are factory-matched to the sockets in the doors and body, eliminating the need for soldering or the use of adapters.

Such a solution reduces the risk of installation errors and minimizes the possibility of faults resulting from improper wire routing. For workshops, this means faster installation, and for the user – stable operation of the electrical systems in the rear doors.

Vehicle placement and installation aspects

The component is intended for installation in the rear part of the vehicle, supporting both the left and right sides. This location requires a harness that is resistant to door movement and the variable operating conditions in this area of the body. The original design provides for proper routing through the grommets between the pillar and the door, which helps reduce mechanical stress and protects the wire insulation.

In practice, installation involves routing the harness according to factory paths, plugging the connectors into the appropriate sockets, and securing it at the designated mounting points. Using a dedicated solution makes it easier to keep the installation organized and improves service access for any future work on the doors.

Characteristics of the used product

The offered harness is a used component, which, in the case of original Audi parts, allows for combining factory fitment with a more cost-effective purchase. This type of part is particularly useful for post-accident repairs, mechanical damage to wires in the grommets, or issues with electrical communication in the rear doors. Choosing an original used harness helps maintain the consistency of the installation with the vehicle's other electrical components.

Benefits of using an original Audi harness

Using a factory wiring harness in an Audi A3 8P brings a number of practical benefits:

• secure fitment to the rear door and body pillar structure,
• preservation of the original connector layout and wire color coding,
• easier electrical fault diagnostics in the future,
• no need for modifying the installation or using additional adapters.

For the user, this means stable door electrical performance, and for the service center – a predictable, repeatable installation and maintenance process.

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

To better plan your purchases and efficiently collect all the necessary installation components, it is worth learning about the One-Stop-Shop approach – you can find more practical tips in the article Comprehensive supply: from the engine to the smallest clip.