Audi A3 RS3 8P Suspension Control Arm Cast Wishbone Front Left N/S 1K0407151AK

Audi A3 RS3 8P Suspension Control Arm Cast Wishbone Front Left N/S is an original, used suspension component from the Control arms and ball joints category, designed for installation on the front axle on the driver's side. Designed by the vehicle manufacturer, it ensures proper suspension geometry, stable vehicle handling, and predictable behavior during braking and cornering.

Specifications and technical data

• SKU: 1K0407151AK
• Mark: Audi
• Condition: Used
• OEM Part Number: 1K0407151AK
• Substitutable numbers: 1K0407151AK, 1K0 407 151 AK
• Location on the vehicle: Front, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension system

This front left control arm acts as a key load-bearing element in the Audi suspension, connecting the steering knuckle to the body and transferring loads generated during driving. It is responsible for:

• maintaining the correct position of the wheel relative to the body,
• stabilizing the driving path during acceleration and braking,
• damping vibrations transmitted from the road to the body,
• ensuring proper cooperation with the shock absorber, spring, and ball joint.

Thanks to its factory design, the control arm maintains the parameters specified by the manufacturer, which translates into safe vehicle handling and even tire wear.

Construction and fitment for the front axle

The control arm has been designed specifically for operation on the front axle on the left side, taking into account the suspension characteristics of Audi A3 RS3 8P models. The geometry of the arm, mounting points, and the working angle of the ball joint are adapted to factory requirements, which facilitates installation and allows for maintaining original alignment settings.

The component works with other suspension parts to create a coherent system responsible for precise vehicle handling. Using an original control arm reduces the risk of improper fitment, unwanted play, or accelerated wear of rubber-metal elements.

Benefits of using an original control arm

Choosing this front left control arm for the Audi A3 RS3 8P allows you to maintain driving parameters close to factory specifications. The most important advantages include:

• precise fit to the Audi suspension design,
• stable vehicle handling at higher speeds,
• proper cooperation with the ball joint and other system components,
• reduction of unwanted vibrations and knocking in the front of the vehicle.

By maintaining the correct suspension geometry, the driver receives predictable vehicle reactions to steering inputs, which is important both in daily use and during dynamic driving.

Condition and service application

The item comes from disassembly and is offered as a used front left control arm for Audi. It serves as a service solution when replacing a damaged or excessively worn control arm, when you want to maintain the original suspension design at reasonable repair costs. Before installation, it is recommended to perform a standard inspection of the component in a workshop and to carry out a wheel alignment after the work is completed.

Additional technical information and advice

To fully utilize the potential of this component, it is worth ensuring a comprehensive diagnosis of the entire suspension system – including shock absorbers, bushings, ball joints, and the stabilizer. Practical tips regarding operation and symptoms of suspension wear can be found in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which discusses, among other things, the operation of control arms in various car models.

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 the available parts in the Audi control arms and ball joints category.