Audi A4 B7 Door Harness Loom Cable Wiring Rear Left Right N/O/S 8E0971687L

Audi A4 B7 Door Harness Loom Cable Wiring Rear Left Right N/O/S is an original electrical installation component designed for the rear part of the vehicle body, prepared for installation on either the left or right side. Thanks to its factory design, the harness ensures stable electrical connections between the door and the body, which translates into the proper operation of door equipment. This used OEM component is a sensible choice for repairs where compatibility with the factory installation and service cost control are important.

Specifications and technical data

• SKU: 8E0971687L
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E0971687L
• Substitutable numbers: 8E0971687L, BG
• Location on the vehicle: Rear, Right, Left
• Category: Wiring Harnesses, Cables & Connectors

Purpose and vehicle placement

The presented wiring harness is a component of the rear door installation for the Audi A4 B7 generation model. It has been designed for installation in the rear part of the vehicle, with the possibility of use on the left or right side, depending on the body configuration. Such a solution facilitates the selection of parts when repairing electrical circuits in the rear doors.

Technical characteristics and function of the harness

The harness belongs to the Wires, harnesses and connectors group, responsible for transmitting signals and power between electrical modules. Properly routed wires and matched connectors enable the correct operation of components located in the rear doors, such as controls or lighting, in accordance with the factory Audi installation architecture.

The original Audi solution ensures:

• maintaining the correct circuit topology in the rear doors,
• secure connections thanks to matched connectors,
• consistency with the existing body harness without the need for modifications.

Benefits of using an original Audi harness

Using a factory wiring harness in an Audi A4 B7 allows for compliance with the manufacturer's service documentation and electrical diagrams. This translates into:

• easier diagnostics of potential faults in the future,
• reducing the risk of connection problems resulting from non-original modifications,
• better fit of wire lengths and mounting points to the door structure.

The used OEM component is particularly useful for post-accident repairs or replacing a damaged harness, when the priority is to maintain the factory installation layout while keeping a reasonable repair budget.

Part condition and service application

The rear door wiring harness comes from dismantling and is offered as a used part, which allows for an economical repair of the electrical system in the Audi A4 B7. This type of component is often chosen by workshops specializing in the Audi brand and by users servicing the vehicle themselves, when it is necessary to replace a damaged or corroded installation in the rear doors.

Expanding Audi electrical installation upgrades

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

For those interested in a broader look at the subject of upgrading and replacing components in VAG group cars, an article discussing design changes and the selection of used parts in a popular sports model may be helpful – Hot-hatch legend: the evolution of the VW Golf GTI from Mk1 to Mk8 – design changes and VW car parts.