Audi TT VW Touran Wheel Hub Rear Right O/S Steering Knuckle Brake 5QA505434B

Audi TT VW Touran Wheel Hub Rear Right O/S Steering Knuckle Brake is an original suspension component designed for the rear axle, ensuring stable handling and proper wheel seating. Thanks to factory geometry and precise fitment to the suspension design, this rear wheel hub steering knuckle allows for the precise restoration of the vehicle's driving parameters following a collision or component wear. This is a solution for users who expect compatibility with factory safety and driving comfort systems.

Specifications and technical data

• SKU: 5QA505434B
• Mark: Audi
• Condition: Used
• OEM Part Number: 5QA505434B
• Substitutable numbers: 5QA505434B, 5QA 505 434 B
• Location on the vehicle: Rear, Left
• Category: Other Transmission & Drivetrain

Purpose and function in the suspension system

The rear wheel hub steering knuckle is responsible for the stable connection of suspension components, the braking system, and the wheel, transferring loads from the road to the chassis. In Audi and VW models, it plays a key role in maintaining proper wheel geometry, which translates into:

• correct vehicle handling in corners,
• even tire wear,
• stability during braking,
• consistent operation of driver assistance systems.

This component, used on the rear axle, works in conjunction with control arms, shock absorbers, and the braking system, creating a rigid and predictable wheel mounting point.

Construction and mounting fitment

The rear hub steering knuckle has been designed as a structural part of the suspension system, with appropriately positioned mounting points for control arms, the shock absorber, and brake hardware. This makes it possible to maintain factory camber and toe angles, which facilitates subsequent geometry adjustment at a diagnostic station.

Precise machining of mounting surfaces and bearing seats promotes quiet operation of the chassis and reduces the risk of play. The original design ensures compatibility with factory solutions used in Audi and VW vehicles, without the need for modifications or adaptations.

Condition, service application, and benefits of installation

The offered rear hub steering knuckle comes from the used original parts segment, which allows for combining reasonable repair costs with the preservation of factory specifications. This is particularly important for post-accident repairs, replacing components after mechanical damage, or addressing excessive wear of the suspension system.

Choosing such a component allows you to:

• restore the vehicle's original driving characteristics,
• maintain compliance with factory mounting points,
• reduce the risk of wheel geometry issues after repair,
• maintain the consistency of suspension and brake operation.

Technical support and selecting the correct part

When selecting a steering knuckle with a hub for a specific Audi or VW version, it is crucial to verify compatibility with the part number and the vehicle location. Proper fitment helps avoid installation issues and ensures correct cooperation with other suspension and braking system components. In case of doubt, it is worth comparing the geometry and mounting points with the part removed from the vehicle.

If you are planning a comprehensive repair or upgrade of the rear suspension area in your Audi and need other elements from the same group, such as control arms, hubs, or mounts, check the available parts in the Other Audi category.

More about Audi construction and differences between versions

For users interested in a deeper understanding of the differences in chassis construction between standard Audi versions and high-performance variants, comparative material will be useful. The article discusses, among other things, changes in suspension, brakes, and structural elements, which helps in making informed choices regarding spare and maintenance parts. We encourage you to read the blog post Audi RS vs other models – what is hidden under the hood and chassis? to better understand how the selection of appropriate components affects handling characteristics and the durability of the suspension system.