Audi A6 C8 A7 4K Power Steering Electric Wiring Harness Cable 4K2971111B

The Audi A6 C8 / A7 4K Power Steering Wiring Harness is an original component from the Cables, Harnesses, and Connectors group, designed for precise electrical connection of the power steering system in Audi vehicles. This used OEM component ensures a factory fit with the vehicle's installation, facilitating servicing and reducing the risk of compatibility issues. It's a practical solution for workshops and owners looking to restore proper electric power steering function without altering the original installation architecture.

Specifications and technical data

• SKU: RHD-4K2971111B
• Mark: Audi
• Condition: Used
• OEM Part Number: 4K2971111B
• Substitutable numbers: 4K2971111B, 4K2 971 111 B
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Application and Technical Function

This wiring harness is responsible for stable power supply and signal transmission between the components of the electric power steering system in Audi A6 C8 generation and Audi A7 4K series models. A correctly selected original cable minimizes voltage drops, signal interference, and control unit communication errors, which translates to predictable steering system operation and proper interaction with safety systems and driving assistants.

The harness is structurally designed to fit factory mounting points on the body and components, ensuring that the wiring routing remains consistent with the manufacturer's specifications. This helps reduce the risk of insulation abrasion, improper cable placement, or excessive stress during suspension movement and steering column operation.

Benefits of Using an Original Audi Harness

Using an original electrical harness in the power steering system offers a range of practical servicing and operational benefits:

• Factory Fit with Installation – connectors, cable lengths, and routing geometry are consistent with the vehicle manufacturer's design.
• Reduced Modifications – no need for soldering, custom adapters, or installation modifications, which lowers the risk of future malfunctions.
• Compatibility with Electronic Systems – proper communication with power steering control modules and other onboard systems.
• Easier Diagnostics – maintaining the original harness structure simplifies work with diagnostic testers and electrical schematics.

For workshops specializing in the Audi brand, this solution allows for maintaining a high standard of repairs and reducing the time required for installation and post-replacement testing.

Condition, Installation, and Service Application

The component is offered as a used part, providing a favorable compromise between repair cost and maintaining original manufacturing quality. Before installation, a standard visual inspection of the insulation, connectors, and mounting points is recommended, followed by correct routing of the harness according to factory cable paths.

In workshop practice, this type of harness is used, among other things, for:

• repairs to the electric power steering system after mechanical damage or collisions,
• resolving communication issues with the power steering control unit,
• restoring the original installation after previous, unprofessional modifications.

A correctly selected component from the Cables, Harnesses, and Connectors group allows for restoring proper system operation without the need to interfere with other components.

Selection Support and Additional Information

When selecting a harness for a specific Audi A6 C8 or A7 4K configuration, pay attention to compatibility with the vehicle's equipment and the power steering system version. If in doubt, it is helpful to compare the connectors used and the cable routing with the currently installed component, which helps avoid installation errors and speeds up the service process.

If you are planning a comprehensive repair or upgrade of the electric power steering installation area in your Audi and need other components from the same group, such as additional harnesses, power cables, or service connectors, check the available parts in the Audi Cables, Harnesses, and Connectors category.

For drivers and workshops looking to better plan servicing and vehicle operating costs, a guide describing the most frequently replaced components in a car may be helpful – you can find practical tips in the article TOP 10 Most Frequently Replaced Parts in Your Car.