Audi A6 C7 Rear Left N/S Wheel Carrier Suspension Leg Wheel Hub Brake Disc

Audi A6 C7 Rear Left N/S Wheel Carrier Suspension Leg Wheel Hub Brake Disc is an original chassis component from the Suspension repair kits group, designed for installation on the rear left axle of the vehicle. The complete wheel carrier and hub assembly provides a solid foundation for restoring proper suspension geometry and stable vehicle handling, especially after a collision or intensive use.

Specifications and technical data

• SKU: 8K0505431AM-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0505431AM
• Substitutable numbers: 8K0505431AM, 8K0 505 431 AM, 4G0615403, 4G0 615 403, 8K0615601B, 8K0 615 601 B
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension system

The presented suspension leg operates in the rear left part of the vehicle, responsible for precise wheel guidance, transferring loads from the body to the road, and maintaining the correct position of the hub relative to the control arms and shock absorber. A properly selected wheel carrier with a hub is crucial for:

• maintaining a stable driving line at higher speeds,
• even tire wear,
• correct operation of safety systems, such as ABS or traction control (depending on vehicle configuration),
• preserving the factory geometry of the rear axle.

Assembly construction and benefits of use

The element belongs to the Suspension repair kits group, which in practice means it is a coherent structural assembly prepared to work with factory Audi components. Using an original suspension leg with a wheel hub allows you to:

• minimize the risk of fitment issues during installation,
• maintain compatibility with factory mounting points and operating parameters,
• reduce the time required for wheel alignment after rear axle repairs.

Thanks to maintaining a design consistent with the manufacturer's solutions, the suspension system works in a predictable and repeatable manner after replacement, which translates into driving comfort and safety.

Assembly characteristics and application

The suspension leg has been designed for installation in the rear left part of the body, which is important when selecting parts after one-sided damage (e.g., hitting a curb, parking damage, side collision). Proper placement on the vehicle reduces the risk of ordering errors and facilitates service work.

By using this element as a basis for repair, you can effectively restore:

• the correct position of the wheel relative to the wheel arch,
• proper cooperation with the shock absorber and control arms,
• vehicle stability during braking and cornering.

Part condition and practical aspects

The product is offered as a used original part, which is a reasonable compromise between repair costs and maintaining factory manufacturing quality. In practice, this means the possibility of an economical rebuild of the rear axle while using a component from the same production line as the part installed in the car at the production stage.

Before installation, standard verification in a workshop is recommended (checking mounting points, clearances, and the condition of mating surfaces), and after completing the work – setting the suspension geometry on a professional measurement station.

Fitment, reference numbers, and technical support

The element has a dedicated OEM part number and associated interchangeable numbers, which facilitates unambiguous identification and selection for a specific Audi A6 C7 configuration. In case of doubts regarding fitment, it is worth comparing the markings with the vehicle's service documentation or consulting a mechanic to avoid incorrect component selection.

If you are planning a comprehensive repair or upgrade of the rear axle suspension zone in your Audi and need other elements from the same group, such as wheel carriers, hubs, or complete suspension legs, check the available parts in the Audi suspension repair kits category.

Technical knowledge and selection of used suspension elements

When choosing used chassis components, it is worth knowing the differences between standard and sports suspension, their impact on car handling, and the durability of individual elements. A detailed discussion of these issues, along with practical tips on purchasing used suspension parts, can be found in the article: Standard vs. sports suspension – differences in construction and is it worth buying used suspension parts?.