Audi A3 RS3 8V 5Dr Door Harness Loom Wiring Rear Left Right N/O/S 8V4971687K

Audi A3 RS3 8V 5Dr Door Harness Loom Wiring Rear Left Right is an original electrical installation component designed for the rear body section of 5-door Audi A3 and RS3 8V generation models. This specialized harness, operating on the left and right sides of the vehicle's rear, ensures a stable electrical connection between the doors and the rest of the wiring system. Thanks to its factory design, it is a particularly beneficial solution for post-collision repairs, replacing damaged wiring, or restoring full functionality to door equipment.

Specifications and technical data

• SKU: 8V4971687K
• Mark: Audi
• Condition: Used
• OEM Part Number: 8V4971687K
• Substitutable numbers: 8V4971687K, 8V4 971 687 K
• Location on the vehicle: Rear, Right, Left
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the vehicle

The presented harness belongs to the Wires, harnesses, and connectors group and is dedicated to installation in the rear of the vehicle, on both the left and right sides. It is responsible for transmitting signals and power between body modules and components located in the rear doors, such as window controls, central locking, or auxiliary lighting, in accordance with the factory configuration of a specific Audi unit.

Due to its fitment for the specific 8V body generation and the 5-door version, the harness maintains the correct length, routing geometry, and connector placement, which facilitates installation and reduces the risk of wire strain during door operation.

Construction and advantages of the original Audi harness

As an Audi brand component, the harness has been designed in compliance with the manufacturer's standards regarding wire cross-sections, insulation quality, and resistance to bending in door hinges. The connectors used are factory-matched to the vehicle's installation, allowing for assembly without modifications, soldering, or the need for custom adapters.

Key benefits of using the original harness include:

• consistency with the vehicle's factory electrical diagram,
• proper routing of wires in door grommets,
• maintained compatibility with body control modules,
• reduced risk of errors in diagnostics and network communication of the installation.

Service application and installation

The harness is intended for installation in the rear of the body, on both the driver and passenger sides. This scope of application allows it to be used when replacing damaged sections of the installation following mechanical failure, wire corrosion, or interference with the doors, e.g., after body and paint repairs.

The item in Used condition is a good solution in situations where maintaining the original installation architecture while optimizing repair costs is a priority. With proper installation, maintaining wire routing in factory mounting points, the harness can restore full electrical functionality to the rear doors without the need for installation modifications.

Why it is worth using an original Audi harness

Using an original element from the Wires, harnesses, and connectors group allows for maintaining the consistency of the electrical installation with Audi service documentation, which facilitates subsequent computer diagnostics and potential equipment upgrades. This is particularly important in A3 and RS3 models, where comfort and safety systems are highly integrated with the body electronics.

For owners who care about preserving the character and driving properties of their Audi, a guide describing the importance of original components may also be useful – more information can be found in the article Audi and pure emotion – how used parts help maintain the brand's DNA.

Expanding repairs within the door installation

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