Audi A4 B8 Rear Axle Upper Wishbone Control Arm Suspension Right O/S 8K0505324F

Audi A4 B8 Rear Axle Upper Wishbone Control Arm Suspension Right O/S is a component from the Control arms and ball joints group, designed for the rear axle on the right side of the vehicle. It is responsible for precise wheel guidance, driving stability, and correct suspension geometry, which directly impacts safety and predictable vehicle handling. This used original Audi component is a sensible choice for professional suspension repairs when you prioritize proper fitment and maintaining factory driving parameters.

Specifications and technical data

• SKU: 8K0505324F
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0505324F
• Substitutable numbers: 8K0505324F, 8K0 505 324 F
• Location on the vehicle: Rear, Right
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension system

The presented control arm operates in the rear suspension on the right side, contributing to the wheel guidance system in the Audi A4 B8 generation. Its task is to maintain the correct position of the hub relative to the body, control toe-in, and stably transfer loads generated during acceleration, braking, and cornering. A correctly selected and functional control arm reduces unwanted play, improves handling confidence, and minimizes tire wear resulting from incorrect geometry.

Benefits of using an original Audi control arm

Choosing an original control arm dedicated to a specific Audi model allows you to maintain the factory suspension performance characteristics. A component from the same design group ensures:

• precise fitment to mounting points on the body and steering knuckle,
• consistency with other suspension system components,
• predictable vehicle behavior during load and speed changes,
• easier inspection and geometry adjustment after installation.

As a result, you maintain the handling characteristics intended by the manufacturer, which is important both in daily use and during more dynamic driving.

Condition of the part and installation aspects

The control arm comes from the used parts group, which allows for lower repair costs while maintaining the original design. Before installation, it is recommended to perform a standard verification of the mounting points and cooperating suspension components, and after replacement – to check and, if necessary, adjust the rear axle geometry. A correctly installed control arm on the rear right side restores proper wheel guidance and reduces typical signs of wear, such as instability or vehicle pulling.

Technical support and suspension knowledge

If you want to better understand the role of control arms in the entire chassis system and the relationships between shock absorbers, control arms, and stabilizers, check out our guide: Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers. This is a practical addition to your knowledge when planning repairs or suspension diagnostics for cars of various brands.

Expanding your Audi suspension repair

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 guide components, check the available parts in the Audi control arms and ball joints category.

For drivers who pay attention to economic and environmental aspects, an interesting supplement may be an article describing the advantages of reusing automotive components: Eco-driving: discover the benefits of used car parts. It allows you to look at used suspension components from the perspective of a conscious and responsible choice.