Audi A4 B8 Front Axle Lower Wishbone Control Arm Right O/S 8K0407156B

Audi A4 B8 Front Axle Lower Wishbone Control Arm Right O/S is a component from the Control arms and ball joints category, designed for operation in the front right corner of the suspension. It is responsible for precise wheel guidance, directional stability, and predictable vehicle behavior during braking and cornering. Thanks to its factory geometry and design tailored to the Audi platform, this control arm allows for maintaining proper suspension performance parameters without the need for modifying other components.

Specifications and technical data

• SKU: 8K0407156B
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0407156B
• Substitutable numbers: 8K0407156B, 8K0 407 156 B
• Location on the vehicle: Front, Right
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension

The front lower control arm on the right side of the Audi A4 B8 transfers loads between the body and the steering knuckle, keeping the wheel in the correct position relative to the body. Its tasks include:

• stabilizing the wheel position during acceleration, braking, and changing direction,
• maintaining proper toe and camber angles,
• damping vibrations transmitted from the road surface to the body through cooperation with the ball joint and metal-rubber bushings.

The precisely selected geometry of the control arm is crucial for the safety, comfort, and predictable handling of the vehicle, especially at higher speeds and on uneven roads.

Compatibility and fitment for Audi

The control arm has been designed specifically for the Audi platform, which ensures proper fitment to the mounting points on the body and the steering knuckle on the front right side. This means:

• maintaining factory suspension geometry without the need for modifications,
• proper cooperation with the shock absorber, spring, and other steering system components,
• the possibility of installation in place of a worn component without interfering with the vehicle's structure.

As a result, installation time is limited, and the risk of fitment issues after replacement is minimized.

Characteristics of the used component

The offered control arm belongs to the group of used parts, which in practice means a favorable compromise between repair costs and maintaining the original design. This type of solution is particularly attractive for:

• post-accident repairs,
• restoring suspension efficiency in intensively used cars,
• reducing service costs while maintaining appropriate performance parameters.

Choosing a used control arm from this group allows for maintaining the structural integrity of the suspension, which translates into stable handling and predictable steering response.

Importance of the proper condition of the control arm

A worn or damaged front lower control arm on the right side can cause a number of undesirable symptoms, such as vehicle pulling, instability during braking, accelerated tire wear, or knocking in the suspension. Replacing it with a functional component from the appropriate design group allows you to:

• restore correct wheel geometry,
• reduce vibrations and noise coming from the front suspension,
• increase confidence in handling during cornering and sudden maneuvers.

To maintain the full functionality of the suspension system, it is worth treating this element as an essential component responsible for driving safety, and not just a minor structural detail.

Suspension service expansion and educational materials

If you are planning a comprehensive repair or upgrade of the front suspension area in your Audi and need other elements from the same group, such as additional control arms, ball joints, or mounting hardware, check out the available parts in the Audi control arms and ball joints category.

To better understand the relationships between shock absorbers, control arms, and stabilizers, as well as the impact of these components on driving safety, it is worth checking out the technical guide: Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers. This will make it easier for you to plan the scope of service work and select the right components for your car.