VW Tiguan 5N Sharan 7N Audi RS Q3 8U Power Steering Rack Wiring Loom 5N2971111B

VW Tiguan 5N Sharan 7N Audi RS Q3 8U Power Steering Rack Wiring Loom is an original electric power steering system component, designed for the precise connection of the steering rack to the vehicle's electrical installation. Thanks to its factory-fit design, it ensures stable power supply and communication with control modules, which translates into predictable steering performance and proper interaction with safety systems. This solution is particularly useful when replacing the steering rack, performing post-collision repairs, or restoring the full functionality of the power steering system.

Specifications and technical data

• SKU: RHD-5N2971111B
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 5N2971111B
• Substitutable numbers: 5N2971111B, 5N2 971 111 B, 5N2971111C, 5N2 971 111 C
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and function in the vehicle

The presented wiring loom is a component of the electric power steering rack installation in VW Tiguan 5N, Sharan 7N, and Audi RS Q3 8U models. It is responsible for:

• transmitting power to the electric steering motor,
• transmitting control signals between the steering rack and the vehicle's electronics,
• maintaining a stable connection with sensors and modules responsible for steering system operation.

By maintaining the original cable routing geometry, the wiring loom allows for proper placement in the engine bay, minimizing the risk of chafing, tension, and signal interference.

Advantages of using an original wiring loom

Using a factory-spec wiring loom in the power steering system provides a range of practical service and operational benefits:

• Compatibility with factory connectors – no need for installation modifications, soldering, or using adapters.
• Correct cable length and routing – facilitates installation and reduces the risk of errors during assembly.
• Consistency with control unit software – proper communication with modules responsible for power steering, electronic stability control, and safety systems.
• Can be used to replace a worn, damaged, or melted wiring loom during post-accident repairs.

This solution is especially recommended in situations where there are communication errors with the steering rack, intermittent power steering operation, or visible damage to the wire insulation.

Component condition and service application

The offered wiring loom is a used part, which allows for an economical repair of the steering system while maintaining original manufacturing quality. It is suitable both for replacing the complete steering rack and for localized repairs of the installation when only the section leading to the steering rack is damaged.

Thanks to the preservation of factory parameters, it can be used as a direct replacement in vehicles equipped with this type of electric power steering, without the need for adapting a universal wiring loom or interfering with the vehicle's main electrical system.

Integration with the steering system and driving safety

A functional steering rack wiring loom has a direct impact on:

• the smoothness and predictability of the electric power steering operation,
• proper cooperation with electronic stability control systems and driver assistance features,
• reducing the risk of sudden loss of power steering resulting from power or communication interruptions.

In vehicles such as the VW Tiguan, Sharan, or Audi RS Q3, where the steering system is integrated with advanced electronics, a functional steering rack wiring loom is crucial for maintaining the correct operating parameters of the entire system.

Related components and further information

If you are planning a comprehensive repair or upgrade of the steering system area in your Volkswagen and need other components from the same group, such as additional wiring, connectors, or mounting elements, check out the available parts in the Other Volkswagen category.

For Audi users interested in a broader technical context of high-performance models, including the RS Q3, you may find the material discussing differences in engine, brake, and chassis construction useful – more information can be found in the article Audi RS vs other models – what is hidden under the hood and chassis?.