Audi A3 8V Trailing Arm Rear Right O/S Control Arm 5Q0505226C

Audi A3 8V Trailing Arm Rear Right O/S Control Arm is a component from the Control arms and ball joints group, designed for operation in the rear right part of the suspension. It is responsible for stable wheel guidance, precise maintenance of geometry, and predictable vehicle behavior during acceleration, braking, and cornering. Thanks to its factory design tailored to the Audi A3 8V platform, the control arm ensures proper cooperation with other suspension components.

Specifications and technical data

• SKU: 5Q0505226C
• Mark: Audi
• Condition: Used
• OEM Part Number: 5Q0505226C
• Substitutable numbers: 5Q0505226C, 5Q0 505 226 C
• Location on the vehicle: Rear, Right
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension system

The presented control arm operates on the rear axle on the right side, where it plays a key role in maintaining the constant position of the wheel hub relative to the body. It is responsible for:

• controlling the wheel position in the longitudinal and transverse planes,
• driving stability during load changes,
• proper transfer of forces from the road surface to the body.

A properly selected and functional control arm limits unwanted changes in toe and camber, which translates into even tire wear, predictable steering reactions, and safe vehicle handling.

Construction and fitment for Audi

The control arm has been designed specifically for the Audi suspension construction, maintaining the appropriate geometry, mounting points, and operating characteristics. This means:

• precise fitment with the body and rear axle components,
• compatibility with original ball joints and metal-rubber bushings,
• preservation of factory handling parameters and ride comfort.

As a result, installation is straightforward, without the need to modify other suspension components, and the vehicle can be easily aligned according to the manufacturer's recommendations after replacement.

Condition, application, and benefits of replacement

The item comes from dismantling and is offered as a used part, which allows for cost-effective suspension repair while maintaining the original design. This type of solution is particularly beneficial in the case of:

• post-accident rear axle repairs,
• mechanical damage resulting from hitting a curb or a pothole,
• excessive play in ball joints or bushings cooperating with the control arm.

Replacing a worn or bent control arm with a properly selected component restores correct suspension geometry, reduces unwanted vibrations, and improves vehicle stability at higher speeds.

Integration with the suspension system and safety

As part of the system responsible for wheel guidance, the control arm has a direct impact on driving safety. Its proper operation supports:

• maintaining constant tire contact with the road surface,
• effectiveness of assistance systems (ABS, ESP),
• vehicle stability during sudden maneuvers.

To maintain full suspension functionality, it is worth periodically checking the condition of cooperating ball joints and bushings, and performing a geometry alignment after any intervention in the rear axle components.

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 mounting hardware, check the available parts in the Audi control arms and ball joints category.

Technical support and suspension knowledge

To better understand the role of control arms in the operation of the entire suspension system and the symptoms of their wear, it is worth referring to proven technical materials. Practical tips regarding diagnostics and operation can be found in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which discusses the relationships between individual components and the impact of their condition on driving safety.

For users who value a conscious approach to vehicle operation and service cost optimization, an interesting supplement may also be the material on the role of dismantled parts in modern automotive: Circular economy in your garage – how choosing used parts from dismantling really supports environmental protection and your wallet?.