Audi A4 B8 Wishbone Lower Control Arm Rear Suspension Left Right N/O/S 8K0501529

Audi A4 B8 Rear Control Arm Front Left Right is an original part from the Control Arms and Ball Joints category, designed for the rear suspension. It enables precise wheel guidance, stable geometry, and predictable vehicle behavior during driving, which translates to safe and comfortable car usage.

Specifications and technical data

• SKU: 8K0501529
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0501529
• Substitutable numbers: 8K0501529, 8K0 501 529
• Location on the vehicle: Rear, Right, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and Placement in Suspension

The presented control arm is designed for installation on the rear axle of the vehicle, with the possibility of use on both the left and right sides. This solution simplifies part selection and allows for flexible use of the component during suspension repairs, especially when multiple control arms need to be replaced simultaneously.

Thanks to its compatibility with Audi's suspension design, the control arm works with other system components, ensuring proper wheel guidance, correct ball joint operation, and body stability during acceleration, braking, and cornering.

Technical and Functional Characteristics

The control arm belongs to the group of elements responsible for maintaining wheel geometry and transferring loads between the body and the hub. Its construction is prepared for cooperation with ball joints and metal-rubber bushings, allowing for controlled suspension movement while damping vibrations.

Key advantages of this component include:

• precise wheel guidance in the longitudinal and lateral axes,
• stable vehicle behavior under load changes,
• applicability on both sides of the rear axle,
• compatibility with the factory Audi suspension system.

A control arm configured in this way allows for the preservation of factory handling parameters and reduces the risk of uneven tire wear resulting from incorrect geometry.

Component Condition and Service Application

The offered control arm is a used part, which is an advantageous solution for users seeking an economical yet original specification-compliant alternative to new components. In practice, this allows for restoring proper suspension function without the need to invest in a completely new system.

The component is particularly suitable for situations where:

• the suspension exhibits play or knocking noises in the rear of the vehicle,
• a damaged control arm needs replacement after a collision or impact with an obstacle,
• problems with vehicle handling persist after geometry adjustment.

Benefits of Using an Original Audi Control Arm

Using an original control arm in the Audi A4 B8 maintains the structural integrity of the entire suspension system. Factory fitment translates to proper alignment with other components, predictable ball joint operation, and maintenance of driving parameters consistent with the manufacturer's design.

For the user, this means:

• more confident vehicle handling in daily use,
• reduced risk of accelerated wear of tires and other suspension components,
• easier diagnostics and geometry adjustment after installation.

Additional Information and Technical Resources

To better understand the role of control arms in suspension operation and the relationships between shock absorbers, ball joints, and stabilizers, it is worth consulting a guide – the article Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers thoroughly discusses these issues, helping to consciously plan repairs and maintenance.

If you are planning a comprehensive overhaul of the rear suspension in your Audi and also need other parts from the same group, such as additional arms or ball joints, check the available parts in the Audi Control Arms and Ball Joints category.

For those considering the use of used components for car modifications or upgrades, the article Best Used Parts for Tuning Your Car, which describes a practical approach to selecting such components, can be an inspiring addition.