Audi A5 8T Wheel Carrier Rear Left N/S Suspension Wheel Hub 8K0505431AC

Audi A5 8T Wheel Carrier Rear Left N/S Suspension Wheel Hub is a component from the Wheel bearings, hubs and bushings group, designed for the rear left suspension in Audi models. It is responsible for precise wheel guidance, stable hub mounting, and correct suspension geometry, which translates into safe and predictable vehicle handling. This solution is dedicated to users who expect a robust construction and a perfect fit for the factory chassis system.

Specifications and technical data

• SKU: 8K0505431AC
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0505431AC
• Substitutable numbers: 8K0505431AC, 8K0 505 431 AC
• Location on the vehicle: Rear, Left
• Category: Wheel Bearings, Hubs & Seals

Purpose and function in the suspension system

The wheel carrier with hub and wheel mount installed on the rear left axle is responsible for connecting the suspension components to the wheel and the body. In practice, it serves as a key mounting point for control arms, the wheel bearing, and brake system components, ensuring proper wheel guidance in both vertical and horizontal planes. A correctly selected component helps maintain factory geometry parameters, which reduces uneven tire wear and improves stability during braking and cornering.

Construction and performance characteristics

The wheel carrier integrated with the hub and wheel mount creates a rigid, load-bearing suspension node, adapted to work in demanding road conditions. The design intended for Audi has been engineered to:

• ensure stable seating of the wheel bearing and hub,
• maintain the correct position of the brake disc and caliper relative to the wheel,
• enable proper cooperation with toe and camber adjustment elements,
• transfer loads from the wheel to the body without unwanted deformations.

Thanks to this, the chassis maintains predictable reactions, and the vehicle handles confidently both in city driving and on the highway.

Benefits of using an original Audi component

Using a wheel carrier with hub dedicated to the Audi A5 8T allows for maintaining the structural integrity of the entire suspension. Factory fitment minimizes the risk of installation problems, play, or improper wheel bearing operation. Compared to replacements of uncertain origin, the original component ensures:

• compliance with factory mounting points,
• correct wheel position relative to the wheel arch and body,
• stable cooperation with stock control arms and bushings,
• easier geometry adjustment after suspension repair.

This is particularly important during repairs after collisions or intensive use, when the goal is to restore the car's original driving characteristics.

Condition, verification, and practical application

The offered element comes from the used parts group, which allows for reducing repair costs while maintaining original Audi specifications. This type of component is frequently chosen for replacements after mechanical damage, corrosion, or excessive wear of mounting elements. The wheel carrier with hub and wheel mount for the rear left side will work well both for standard suspension repairs and for comprehensive rear axle rebuilding after road damage.

If you want to better understand how to safely use used suspension components and when they are a reasonable alternative to new parts, it is worth reading the article: Used car parts: Myths and facts you need to know. This is a practical addition to your knowledge when planning your car's repair.

Expanding the Audi chassis system in the same parts group

If you are planning a comprehensive repair or upgrade of the suspension and chassis area in your Audi and need other elements from the same group, such as additional hubs, wheel bearings, or mounting bushings, check out the available parts in the Audi wheel bearings, hubs and bushings category.