Audi A4 B8 Front Lower Wishbone Control Arm Right O/S 8K0407152D

Audi A4 B8 Front Lower Wishbone Control Arm Right O/S is a component from the Control Arms and Ball Joints category, designed for use in the front suspension on the passenger side (or driver side, depending on the market). It ensures precise wheel guidance, driving stability, and correct geometry, which translates into safe and predictable vehicle handling on the road. Thanks to its factory design tailored to the Audi A4 B8 platform, this control arm allows for a technically correct suspension repair without interfering with the manufacturer's original solutions.

Specifications and technical data

• SKU: 8K0407152D
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0407152D
• Substitutable numbers: 8K0407152D, 8K0 407 152 D
• Location on the vehicle: Front, Right
• Category: Control Arms, Ball Joints & Assemblies

Purpose and placement in the suspension

The presented control arm operates on the front axle of the vehicle on the right side, contributing to the wheel guidance system and the transfer of loads between the body and the steering knuckle. As a structural element, it is responsible for:

• maintaining proper wheel geometry during driving and braking,
• stable vehicle handling in corners,
• damping some of the vibrations transmitted from the road to the body,
• proper cooperation with the shock absorber, spring, and stabilizer.

Thanks to the appropriately selected geometry of the control arm and the integrated ball joint, the Audi suspension maintains the handling characteristics designed by the manufacturer, which is particularly important at higher speeds and during dynamic driving.

Benefits of using an original front control arm

Using an original solution in the Audi front suspension allows for maintaining the structural integrity of the entire chassis. Such a control arm provides:

• precise fitment to the mounting points on the body and steering knuckle,
• proper cooperation with factory bushings and the ball joint,
• appropriate arm stiffness while maintaining the required flexibility of rubber elements,
• stable vehicle handling without unwanted play or knocking in the suspension.

For the user, this means predictable vehicle reactions to steering inputs, better control over the vehicle, and a reduction in uneven tire wear resulting from incorrect geometry.

Application in service and suspension repairs

Replacing the front lower control arm on the right side is recommended when there is play in the ball joint, cracks or delamination of the bushings, as well as after mechanical damage resulting from hitting a curb or a pothole. Installing this component is particularly important when:

• there is knocking in the front suspension when driving over bumps,
• the car "pulls" to one side or has trouble maintaining a straight driving path,
• wheel geometry cannot be set correctly,
• irregular, accelerated tread wear appears on the tires.

After replacing the control arm, it is recommended to perform a wheel alignment and geometry check to fully utilize the potential of the newly installed component and restore factory handling parameters.

Part condition and practical operating tips

The offered control arm is a used part, which allows for an economical suspension repair while maintaining the original Audi design. Before installation, it is worth paying attention to:

• checking the condition of the metal-rubber bushings for cracks and excessive deformation,
• verifying the smooth operation of the ball joint without noticeable play,
• proper tightening of the mounting bolts with the suspension under load to avoid shortening the life of the bushings.

By following these rules, you can fully utilize the potential of the component and reduce the risk of premature wear of other front suspension components.

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.

Technical support and knowledge about the suspension system

To better understand the role of control arms in the operation of the entire chassis and the symptoms of their wear, it is worth consulting specialized materials. Practical information regarding the diagnostics and operation of suspension components can be found in the article Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers, which discusses the relationships between individual components and the impact of their condition on driving safety.

If you want to maximize the potential of dismantled parts and ensure their long-term, stable operation in your car, the guide How to extend the life of used car parts? may also be helpful, containing practical tips on maintenance and proper installation of suspension elements.