Audi A4 B9 A5 F5 Wheel Carrier Wheel Hub Axle Mount Rear Left N/S 8W0505431T

Audi A4 B9 A5 F5 Wheel Carrier Wheel Hub Axle Mount Rear Left N/S is a precision suspension component responsible for stable rear wheel guidance and correct suspension geometry. As part of the Wheel bearings, hubs and bushings group, it provides solid hub support and a secure connection to the suspension and braking system. Using an original pre-owned component allows you to maintain Audi's characteristic driving dynamics at a reasonable repair cost.

Specifications and technical data

• SKU: 8W0505431T
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W0505431T
• Substitutable numbers: 8W0505431T, 8W0 505 431 T
• Location on the vehicle: Rear, Left
• Part type: Wheel Hub
• Category: Wheel Bearings, Hubs & Seals

Function and role of the rear left wheel carrier

The wheel carrier with the rear left wheel hub in the Audi A4 B9 / A5 F5 is a key junction connecting suspension components, the wheel bearing, and the braking system. It is responsible for:

• maintaining the correct wheel position relative to the body,
• stable seating of the hub and bearing,
• transferring loads from the road surface to the suspension,
• maintaining correct rear axle geometry. Thanks to a properly selected rear left wheel carrier, predictable handling characteristics are maintained, which translates into safe vehicle behavior in corners and during braking.

Compatibility and vehicle placement

The presented wheel carrier with hub has been designed specifically for Audi models from the A4 B9 and A5 F5 family, which guarantees a proper fit to the factory suspension. The placement on the vehicle is specified as the rear left side, making it easy to select the correct part when planning a repair or replacement. The dedicated placement minimizes the risk of installation issues, and maintaining the original mounting geometry allows for correct alignment of toe and camber after service.

Benefits of using an original Audi wheel carrier

Using an original wheel carrier with a hub on the rear axle provides a number of practical benefits:

• Factory fit – maintaining original mounting points for control arms, shock absorbers, and brake components.
• Consistent operation with the suspension system – no need for adaptations or structural modifications.
• Stable wheel guidance – reduction of play and unwanted vibrations in the rear axle.
• Ability to restore original driving characteristics after a collision or wear of suspension components. Using an original pre-owned element allows you to maintain the high quality of handling characteristic of Audi, while simultaneously reducing costs compared to new components.

Condition, purpose, and service application

The rear left wheel carrier and hub comes from dismantling and is offered as a used part intended for professional suspension system repairs. It will prove useful both for replacement after mechanical damage and for restoring correct suspension geometry after a collision or intensive use. This element is particularly useful in situations where there are problems with wheel alignment, uneven tire wear, or noticeable play in the rear axle. Replacing the complete wheel carrier with the hub often allows for the effective elimination of such symptoms.

System expansion – other elements from the Wheel bearings, hubs and bushings group

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

Maintaining the Audi driving character

For many drivers, it is crucial to maintain the combination of comfort and handling precision typical of this brand. Properly selected, original suspension components – including the rear left wheel carrier – have a direct impact on how the car reacts to steering inputs and road irregularities. If you want to learn more about how pre-owned components help maintain the car's character, it is worth reading the article Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?.