Audi Q3 8U Rear Axle Wishbone Lower Suspension Control Arm Left N/S 3C0505225D

The Left Rear Suspension Lower Control Arm for Audi Q3 8U is an original part from the Control Arms and Ball Joints group, designed for the left side of the rear axle. Engineered by the vehicle manufacturer, it ensures proper suspension geometry, stable vehicle handling, and predictable body behavior during braking and cornering.

Specifications and technical data

• SKU: 3C0505223F
• Mark: Audi
• Condition: Used
• OEM Part Number: 3C0505223F
• Substitutable numbers: 3C0505223F, 3C0 505 223 F, 3C0505225D, 3C0 505 225 D
• Location on the vehicle: Rear, Left
• Part type: Control Arm Kit
• Category: Control Arms, Ball Joints & Assemblies

Purpose and Function in the Audi Q3 8U Suspension

The presented left rear suspension lower control arm is a structural component responsible for precise wheel guidance along the longitudinal and transverse axes. It operates within the multi-link system of the rear axle, contributing to a rigid yet appropriately flexible wheel control system, which translates to driving stability and comfort in absorbing unevenness.

Thanks to its factory geometry and correct shape, the control arm maintains the correct position of the wheel hub relative to the body, limits undesirable changes in toe and camber, and supports even tire wear. Its placement on the left side of the rear axle allows for direct identification and simplifies the selection of the correct component when repairing a specific corner of the suspension.

Benefits of Using an Original Rear Control Arm

Using an original rear control arm in the Audi Q3 8U ensures:

• preservation of the vehicle's factory handling characteristics,
• proper interaction with other suspension system components,
• appropriate transfer of loads from the wheel to the body,
• consistency with factory mounting points and body geometry.

As a load-bearing element, the control arm operates under demanding conditions – it transfers forces resulting from acceleration, braking, and driving over uneven surfaces. A correctly selected component helps reduce play in the suspension, improves steering precision, and reduces undesirable vibrations transmitted to the body.

Condition, Fitment, and Service Application

The offered control arm is a used part, allowing for an economical repair of the rear suspension while maintaining the original manufacturer's design. Due to its factory origin, the correct mounting points, shape, and compatibility with standard system components such as other control arms, springs, shock absorbers, or wheel hubs are preserved.

The selection of the appropriate control arm for a specific Audi Q3 8U model should consider the side of installation, the type of rear axle, and the suspension configuration. In service practice, replacement of this component is recommended when play, deformation after a collision, structural corrosion, or uneven tire wear due to incorrect geometry is detected.

Technical Support and Suspension Knowledge Development

For users and mechanics who want to better understand the relationships between the operation of control arms, shock absorbers, and stabilizers in various car models, the guide article Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers will be helpful. It helps to organize knowledge about the diagnosis and operation of key suspension components in vehicles of various brands.

Expanding Repairs within Audi Control Arms and Ball Joints

If you are planning a comprehensive repair or upgrade of the suspension area in your Audi and need other parts from the same group, such as additional control arms, ball joints, or mounting elements, check the available parts in the Audi Control Arms and Ball Joints category.

To better plan service work and reduce vehicle downtime in the workshop, it is also worth familiarizing yourself with the material describing the impact of wide parts availability on repair time: How a Wide Assortment in One Warehouse Reduces Vehicle Downtime at the Mechanic's. This makes it easier to choose a strategy for replacing suspension components, including rear axle control arms, in a single service session.