Audi Q5 8R Suspension Control Arm Lower Wheel Hub Rear Left N/S 8R0505311B

Audi Q5 8R Suspension Control Arm Wishbone Hub Rear Left N/S is an original suspension component from the Longitudinal body frame parts and brackets group, designed for installation on the rear left side of the vehicle. The part comes from a vehicle dismantling process, which ensures factory-fit quality while providing an economical and technically sound solution for Audi suspension repairs.

Specifications and technical data

• SKU: 8R0505311B
• Mark: Audi
• Condition: Used
• OEM Part Number: 8R0505311B
• Substitutable numbers: 8R0505311B, 8R0 505 311 B
• Location on the vehicle: Rear, Left
• Part type: Subframe
• Category: Frame Rails & Subframes

Purpose and function in the Audi Q5 8R suspension

The described control arm is a rear suspension component mounted on the left side, responsible for a stable connection between the wheel hub and the body structure. As a part from the longitudinal frame elements and brackets group, it operates within a multi-link system, transferring loads from the wheel to the body and maintaining the correct geometry of the rear axle. Thanks to its factory design, it ensures:

• precise wheel guidance in the driving axis,
• stable vehicle behavior during braking and acceleration,
• proper cooperation with other multi-link suspension components.

Benefits of using an original used component

Using an original, used control arm in an Audi allows you to maintain compliance with factory specifications without the need to resort to cheaper replacements of uncertain quality. Original geometry and mounting points facilitate installation and reduce the risk of alignment issues after repair. The main advantages of this solution include:

• preserving the factory driving characteristics of the car,
• better predictability of suspension performance compared to generic replacements,
• favorable cost-to-durability ratio for post-accident or maintenance repairs.

Vehicle placement and installation aspects

The component is designed for installation on the rear left side of the vehicle, which is important both when selecting the part and when planning service work. Correct matching of the installation side is crucial for maintaining proper suspension geometry and ensuring correct interaction with the hub, bearing, and other control arms. When replacing, it is recommended to:

• inspect other suspension components in this area (other control arms, bushings, mounts),
• perform a geometry measurement and adjustment after installation is complete,
• use the correct bolt tightening torque in accordance with Audi service documentation.

Application in body and subframe repairs

As a part from the Longitudinal body frame parts and brackets group, the control arm participates not only in suspension operation but also in transferring loads between the wheel and the body structure. This is particularly important during post-collision repairs, when it is necessary to restore the original rigidity and geometry of the rear part of the vehicle. If you are planning a comprehensive repair or upgrade of the rear suspension zone in your Audi and need other components from the same group, such as additional brackets, longitudinal mounting elements, or structural reinforcements, check out the available parts in the Audi longitudinal body frame parts and brackets category.

Why choose used OEM for suspension repairs

When repairing suspension, many users look for solutions that combine reasonable cost with durability and safety. Original used components often meet these requirements better than the cheapest replacements. If you want to better understand the economic aspects of using original parts from dismantling, it is worth reading the article Economical operation of Skoda cars: why are original used parts the best choice for your wallet?, the conclusions of which can also be applied to the operation of Audi cars. Additionally, when planning a suspension repair, material describing the impact of part availability on vehicle downtime in the workshop may be helpful – you can find more on this topic in the article Availability of car parts off-the-shelf vs. repair time – how do used OEMs shorten workshop stays?.

Summary

Audi Q5 8R Suspension Control Arm Wishbone Hub Rear Left N/S is a practical solution for drivers and workshops that want to restore the proper operation of the rear suspension while maintaining factory handling parameters. The original design, fitment for a specific axle and side of the vehicle, and its classification as a longitudinal frame and bracket component make this part well-suited for both maintenance and post-accident repairs.