Audi A4 B8 Rear Wheel Hub Right O/S Bearing Knuckle Sleeve Ankle 8K0505432AK

Audi A4 B8 Wheel Hub Knuckle Rear Right is a suspension component designed for the rear right side of the vehicle, responsible for precise wheel guidance and vehicle stability. Thanks to its construction aligned with solutions used by Audi, this part ensures correct suspension geometry and proper load transfer during driving. A used component allows for an economical yet technically sound suspension repair for cars in this series.

Specifications and technical data

• SKU: 8K0505432AK
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0505432AK
• Substitutable numbers: 8K0505432AK, 8K0 505 432 AK
• Location on the vehicle: Rear, Right
• Category: Shocks, Struts & Assemblies

Function and Role in the Suspension System

The wheel hub knuckle integrated with the control arm on the rear axle is responsible for the stable connection of the wheel hub to the other suspension elements and the car body. In practice, this means:

• maintaining the correct wheel position relative to the car body in the vertical and horizontal axes,
• transferring forces generated during acceleration, braking, and cornering,
• preserving correct toe and camber angles,
• cooperating with the shock absorber, spring, and other rear suspension control arms.

Thanks to its appropriately selected geometry, the rear right wheel hub knuckle influences predictable vehicle behavior, even tire wear, and driving comfort, especially at higher speeds and when the car is loaded.

Purpose and Placement on the Vehicle

The presented component is designed for installation in the rear right part of the suspension. This placement requires appropriate rigidity and resistance to variable loads, as the component operates in close proximity to the wheel hub, brake, and shock absorber. A correctly selected wheel hub knuckle with a control arm:

• ensures compatibility with the factory suspension system,
• facilitates geometry alignment after repair,
• reduces the risk of unwanted play and knocking in the rear axle.

Proper matching to a specific Audi model allows for the preservation of factory handling and stability parameters, which is important for both safety and the durability of other suspension components.

Characteristics of the Used Component

The offered wheel hub knuckle with control arm comes from the Shock Absorbers and Struts group, meaning it is a part directly cooperating with damping elements and wheel guiding components. As a used part, it represents a sensible choice for repairs where maintaining structural conformity with the original manufacturer's solution is crucial, while optimizing service costs.

In practice, such a component is particularly suitable for situations involving mechanical suspension damage (e.g., after hitting a curb or a collision) where the entire wheel hub knuckle and control arm assembly on one side of the vehicle needs replacement. Using a component with parameters matching the factory specifications allows for restoring the correct operation of the rear axle without altering the car's structure.

Technical Support and Parts Selection

To correctly select the wheel hub knuckle with control arm for a specific engine and equipment version, it is advisable to verify the manufacturer's markings and compare the component's geometry with the part installed on the opposite side of the vehicle. If in doubt, it is also helpful to check compatibility with Audi's service documentation and consult a mechanic specializing in this brand's suspensions.

If you are planning a comprehensive repair or upgrade of the suspension area in your Audi and need other elements from the same group, such as shock absorbers, suspension struts, or complete struts, check the available parts in the Audi Shock Absorbers and Struts category.

More Knowledge About Suspension

For users who want to better understand the relationships between shock absorbers, control arms, stabilizers, and wheel hub knuckles, and their impact on driving safety, we recommend the guide: Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers. The article helps assess when replacing a single element is sufficient and when a broader range of service work should be considered.