Audi A5 8T A4 B8 8K Rear Axle Control Arm Track Rod Left N/S 8K0501529N

Audi A5 8T A4 B8 8K Rear Axle Control Arm Track Rod Left N/S is an original suspension component designed for the rear axle on the left side of Audi vehicles. Precise geometry and factory-fit ensure stable handling, predictable vehicle behavior, and proper cooperation with other components of the multi-link suspension system.

Specifications and technical data

• SKU: 8K0501529N
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0501529N
• Substitutable numbers: 8K0501529N, 8K0 501 529 N
• Location on the vehicle: Rear, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension system

The rear left control arm in A4 B8 and A5 8T models is responsible for maintaining the correct position of the wheel relative to the body, controlling wheel alignment, and ensuring vehicle stability during acceleration, braking, and cornering. As a part of the Control arms and ball joints group, it works with other suspension arms, bushings, and ball joints to create a rigid yet appropriately flexible structure.

A properly selected rear axle control arm limits unwanted changes in wheel geometry, which translates into even tire wear, better traction, and more confident vehicle handling in both urban and highway conditions.

Key technical advantages

The component has been designed specifically for operation in the rear part of the vehicle on the left side, ensuring it maintains factory mounting points and appropriate torsional rigidity. This fitment:

• facilitates installation without the need for structural modifications,
• ensures compatibility with stock bushings and ball joints,
• allows for correct geometry adjustment after replacement,
• supports body stability during dynamic maneuvers.

By maintaining the original design, the control arm works with factory suspension settings, which helps to maintain ride comfort and predictable steering response.

Condition and service application

The offered control arm is an aftermarket part, which allows for economical suspension repair while maintaining the original design and fitment for the specific Audi platform. It is a practical solution in situations such as:

• mechanical damage following a collision or hitting an obstacle,
• excessive play in the suspension system,
• problems with maintaining wheel alignment on the rear axle,
• uneven tire wear on the left side.

Replacing the control arm with a component featuring factory geometry helps restore proper vehicle handling and is an important step in comprehensive suspension system maintenance.

Technical support and suspension knowledge

To better plan your suspension service and understand the interaction between shock absorbers, control arms, and stabilizers, it is worth consulting our guide. Practical information can be found in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which discusses typical symptoms of wear and good service practices.

Related Audi suspension components

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