Audi A3 8P Control Arm Rear Lower Suspension Wishbone Rear Left N/S 1K0505223K

Audi A3 8P Control Arm Rear Lower Suspension Wishbone Rear Left N/S is a component from the Control arms and ball joints group, designed for operation on the rear axle on the left side. It ensures stable wheel guidance, correct suspension geometry, and predictable vehicle behavior during braking and cornering. It is a practical choice for users who want to restore the proper operation of the rear suspension without interfering with the vehicle's structure.

Specifications and technical data

• SKU: 1K0505223K
• Mark: Audi
• Condition: Used
• OEM Part Number: 1K0505223K
• Substitutable numbers: 1K0505223K, 1K0 505 223 K
• Location on the vehicle: Rear, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and placement in the suspension

The presented control arm is designed for installation in the rear part of the vehicle, on the left side. It acts as a lower wheel-guiding element, responsible for:

• maintaining the correct position of the hub relative to the body,
• stabilizing geometry under load and while driving,
• transferring longitudinal and lateral forces from the wheel to the body.

Thanks to its dedicated placement on the rear axle, the control arm works in tandem with other suspension components, which translates into consistent vehicle handling and predictable reaction to road surface irregularities.

Technical and functional characteristics

The control arm belongs to the Control arms and ball joints group, which means it is structurally prepared for operation in the multi-link system typical of modern Audi models. Properly shaped arms and mounting points allow for:

• maintaining factory wheel camber and toe angles,
• proper cooperation with metal-rubber bushings and ball joints,
• effective damping of vibrations transmitted from the road surface to the body.

Selecting the correct control arm for a specific Audi model reduces the risk of geometry adjustment problems and eliminates the need for installation modifications. This is a beneficial solution for both workshops and individual users.

Benefits of using an original rear control arm

Using the correct control arm on the rear axle of the Audi A3 8P allows for restoring handling stability and even tire wear. Key advantages include:

• restoration of factory rear axle handling – the car behaves predictably during lane changes and in corners,
• reduction of play in the suspension, which limits knocking and unwanted noises,
• better cooperation with safety systems such as ABS or ESP, thanks to stable wheel operation.

The rear lower left control arm is particularly important during post-collision repairs, replacing worn suspension components, or restoring correct geometry after long-term vehicle operation.

Condition of the component and practical application

The offered control arm is a used part, which makes it a reasonable cost-effective alternative to new components, while maintaining a design consistent with Audi's factory specifications. It is a good solution in situations where:

• a quick replacement of a damaged control arm is necessary,
• compliance of shape and mounting points with the original suspension is important,
• it is important to limit repair costs while maintaining proper functionality.

After installation, it is recommended to perform a rear axle wheel alignment to fully utilize the potential of the newly installed component and ensure even tire wear.

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 additional control arms, ball joints, or guiding elements, check the available parts in the Audi control arms and ball joints category.

Technical support and knowledge about the suspension system

For users who want to better understand the role of control arms in the operation of the entire chassis system, a guide describing the cooperation of shock absorbers, control arms, and stabilizers in various car models will be useful. A detailed discussion of issues related to the suspension can be found in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which helps in consciously planning repairs and upgrades in Audi A3 8P class vehicles.