Audi A7 4G A6 C7 Electric Power Steering Rack Pump Unit 4G2423055AR

Audi A7 4G A6 C7 Electric Power Steering Rack Pump Unit is a factory-original steering system component designed to work with electric power steering. As part of the Power steering pumps group, it ensures precise transmission of steering input to the wheels and stable support for the steering system in daily operation. Using this OEM component allows you to maintain the original handling characteristics typical of high-end Audi models.

Specifications and technical data

• SKU: RHD-4G2423055AR-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G2423055AR
• Substitutable numbers: 4G2423055AR, 4G2 423 055 AR, 4G0909144G, 4G0 909 144 G, 4G2 423 055 DP, 4G2423055DP
• Part type: Power Steering Pump
• Category: Power Steering Pumps

Purpose and role in the steering system

The described electric steering rack integrated with the power steering pump module was developed specifically for the Audi A7 4G and Audi A6 C7 platform. This component is responsible for:

• transmitting torque from the steering wheel to the front wheel knuckles,
• assisting steering force via an electric drive and control system,
• cooperating with safety systems (e.g., electronic stability control, driver assistance systems),
• maintaining proper vehicle geometry and steering precision.

Thanks to the use of the original Audi design, the system retains factory performance parameters, which translates into consistent, predictable vehicle behavior in various road conditions.

Construction and technical characteristics

The electromechanical steering rack with power steering pump combines mechanical and electrical elements in a single housing. In practice, this means:

• an integrated electric drive responsible for generating steering assistance force,
• a precise gear mechanism matched to the suspension geometry of the Audi A7 4G / A6 C7,
• compatibility with vehicle electronics for adjusting steering assistance based on speed and driving mode.

This solution allows for precise control of steering system response while reducing energy losses compared to conventional hydraulic systems.

Benefits of using an original Audi power steering pump

Choosing a factory steering rack with an electric power steering pump for an Audi offers a number of practical advantages:

• retention of factory gear ratios and steering feel characteristics,
• proper cooperation with the vehicle's electronic systems,
• perfect fit for mounts and suspension components without the need for modifications,
• consistency with the control unit software used in the specific model.

As a result, installing an original component from the Power steering pumps group is a technically safe and predictable solution in terms of operation.

Condition, selection, and practical application

The offered steering rack with an electric power steering pump is a used component, which for older premium-class models often represents a reasonable compromise between cost and maintaining OEM quality. When selecting parts, it is crucial to verify compatibility with the specific version of the Audi A7 4G or A6 C7, particularly regarding the steering system type and equipment configuration.

To better understand the relationships between individual vehicle subassemblies and how to select them using catalog numbers, it is worth checking out the guide on the fuel system, which discusses, among other things, diagnostics and selecting elements by OEM numbers – this is described in detail in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

If you are interested in a broader context regarding the use of factory-original parts in premium segment cars, you may also find the material explaining why, in many cases, original components from the secondary market are the most rational choice helpful – you can find more in the article The myth of the perfect new part: why is a used factory part the only reasonable choice for older cars?.

Expansion and modernization of the Audi steering system

If you are planning a comprehensive repair or modernization of the steering and power assistance area in your Audi and need other elements from the same group, such as additional pumps, control modules, or other steering components, check the available parts in the Audi Power steering pumps category.

Using consistent, factory solutions throughout the steering system allows you to maintain stable handling, predictable steering response, and driving comfort expected from Audi A7 4G and A6 C7 models.