Audi Q3 8U Rear Axle Wishbone Lower Suspension Control Arm Left N/S 3C0505225B

Audi Q3 8U Rear Axle Wishbone Lower Suspension Control Arm Left N/S is a component from the Control arms and ball joints group, designed for operation in the rear, left part of the suspension. It is responsible for stable wheel guidance, precise maintenance of geometry, and predictable vehicle behavior during acceleration, braking, and cornering. This is a practical solution for users looking for a proven suspension component with factory-fitment for Audi construction.

Specifications and technical data

• SKU: 3C0505223D
• Mark: Audi
• Condition: Used
• OEM Part Number: 3C0505223D
• Substitutable numbers: 3C0505223D, 3C0 505 223 D, 3C0505225B, 3C0 505 225 B
• Location on the vehicle: Rear, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension

The presented control arm operates on the rear axle on the left side, contributing to the wheel guidance system and the transfer of loads from the body to the road. Its task is to maintain the correct position of the hub relative to the body, which translates into:

• stable vehicle handling at higher speeds,
• controlled vehicle behavior in corners,
• even tire wear due to maintaining correct geometry,
• reduction of unwanted play and vibrations in the rear suspension.

Thanks to its properly selected structural geometry, the control arm works with other suspension elements, ensuring consistent, predictable vehicle reactions to steering movements and load changes.

Construction and fitment for Audi

The control arm has been designed specifically for Audi's structural requirements, which guarantees factory fitment to mounting points and correct cooperation with other rear axle components. The appropriate stiffness and shape of the arm allow for effective transfer of longitudinal and lateral forces, minimizing deformation during dynamic driving.

The element belongs to the Control arms and ball joints group, which means it is part of a key system responsible for wheel guidance and maintaining driving stability. Using a component with parameters consistent with the vehicle manufacturer's requirements reduces the risk of geometry problems and accelerated tire wear.

Performance characteristics and installation benefits

Replacing a worn control arm with a functional element helps restore the proper operation of the rear suspension, which is particularly important in the case of symptoms such as rear-end instability, knocking on bumps, or problems with wheel alignment. Using this component enables:

• reduction of play in suspension connections,
• improvement of handling precision on the rear axle,
• increased driving comfort by reducing unwanted vibrations,
• maintenance of driving parameters close to factory standards.

The product comes from the Audi range, which helps maintain structural and material consistency with other elements of the chassis system.

Condition of the element and service application

The offered control arm is a component in Used condition, which makes it a practical choice for repairs where a favorable cost-to-functionality ratio is important. This type of part can be used both for standard replacement of a worn element and for stage-by-stage rebuilding of the rear suspension after a collision or intensive use.

Due to its location in the rear, left part of the vehicle, installation should be performed in accordance with service procedures, and after the work is completed, it is recommended to check and, if necessary, correct the suspension geometry to fully utilize the potential of the newly installed control arm.

Related suspension elements and additional information

If you are planning a comprehensive repair or upgrade of the suspension zone 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.

To better understand the role of control arms in the chassis system and the relationships between them and shock absorbers and stabilizers, it is worth reading the technical guide describing the principles of suspension operation and typical symptoms of wear – you will find it in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers.