Audi A4 B8 A5 8T Power Steering Wiring Harness Cable Loom 8K2971111A

Audi A4 B8 A5 8T Power Steering Wiring Harness Cable Loom is an original component from the Wires, harnesses and connectors group, designed for the precise connection of the steering system to the vehicle's electrical installation. The Audi brand product ensures proper fitment with factory connectors and stable operation of the steering system after repair or replacement of a damaged harness.

Specifications and technical data

• SKU: RHD-8K2971111A
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K2971111A
• Substitutable numbers: 8K2971111A, 8K2 971 111 A
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the vehicle system

This wiring harness is the component responsible for transmitting signals and power between control modules and the power steering system in Audi A4 B8 and Audi A5 8T models. Using an original component allows for maintaining compliance with the factory installation architecture, which reduces the risk of communication errors, interference, and system diagnostic issues.

Thanks to factory connectors and appropriately selected wire lengths, the harness enables organized routing of the installation in the engine bay or in the steering gear area, without the need for modifications or soldering additional sections.

Construction and technical advantages

The harness belongs to the Wires, harnesses and connectors group, which means it has been designed for a stable electrical connection in the demanding operating conditions of the steering system. The connectors used are matched to the factory sockets in the vehicle, which facilitates installation and minimizes the risk of errors during connection.

• Factory connector ends matched to Audi installations.
• Appropriately selected wire cross-section for power steering system loads.
• Wire layout allowing for routing the harness according to the original installation path.

Such a solution promotes maintaining proper protection of the wires against abrasion, overheating, and the influence of vibrations, which is important for long-term, stable system operation.

Benefits of using an original Audi harness

Using an original harness in the power steering system brings a number of practical service and operational benefits:

• Compatibility with factory electronics – maintaining proper communication with control modules and safety systems.
• No need to modify the installation – assembly is performed in a manner similar to the factory process, which shortens repair time.
• Easier diagnostics – the original wiring layout facilitates work with service testers and Audi installation diagrams.

For workshops and users, this means a lower risk of returns for complaints and a more predictable steering system repair result.

Application in service practice

The harness will prove particularly useful for post-collision repairs, steering gear replacement, power steering system upgrades, or troubleshooting issues related to electrical circuit breaks. A used, original component allows for an economical restoration of system efficiency while maintaining the high quality of workmanship typical of the Audi brand.

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

How to select the right harness for your car

To correctly select the harness for a specific version of the Audi A4 B8 or A5 8T, it is worth verifying compatibility by OEM number and vehicle equipment configuration. It is also helpful to compare the shape and number of connectors with the component removed from the car. The VIN number and a thorough check of markings in the service documentation can assist in the selection process.

If you want to check the compatibility of the part with your car step-by-step and prepare a list of questions for the seller, use our practical guide: Guide: how to select the right car part by VIN and OEM number.