Audi Q7 4L Rear Axle Suspension Wishbone Control Arm Lower Right O/S 7L0505312B

Audi Q7 4L Rear Axle Suspension Wishbone Control Arm Lower Right O/S is a component from the Control Arms and Ball Joints group, designed for the rear right side of the suspension. This is an original Audi engineering solution that allows for restoring proper axle geometry, driving stability, and predictable vehicle behavior during daily operation.

Specifications and technical data

• SKU: 7L0505312B
• Mark: Audi
• Condition: Used
• OEM Part Number: 7L0505312B
• Substitutable numbers: 7L0505312B, 7L0 505 312 B
• Location on the vehicle: Rear, Right
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension

The presented wishbone control arm operates in the rear right part of the chassis, responsible for precise wheel guidance relative to the body. Its task is to maintain a stable hub position, control toe-in, and limit unwanted movements under dynamic loads, such as braking, accelerating, or driving over uneven surfaces.

Thanks to the appropriately selected geometry and structural rigidity, the control arm helps maintain predictable vehicle reactions, which translates into safer handling and better control of the driving path. The proper condition of this component has a direct impact on tire wear, shock absorber performance, and acoustic comfort inside the vehicle.

Benefits of using an original Audi solution

The control arm has been designed specifically for the Audi Q7 4L platform, taking into account the vehicle's weight, load distribution, and the operating characteristics of the multi-link rear suspension. Using the original design means:

• maintaining the factory rear axle geometry,
• proper cooperation with other control arms and ball joints,
• consistent vehicle behavior in line with the manufacturer's assumptions regarding comfort and stability.

For the user, this means easier toe-in adjustment after installation, predictable reactions in emergency situations, and a reduction in the risk of premature wear of other suspension components.

Component condition and installation aspects

The offered control arm is a used part, which in practice allows for an economical repair while maintaining the original Audi design specifications. Before installation, it is recommended to perform a standard verification of mounting points, joints, and bushings for play and potential wear, and after installation – to perform a rear axle geometry alignment.

Due to its location in the rear right part of the vehicle, replacing this component is particularly important in the case of:

• noticeable play in the suspension when driving over uneven surfaces,
• uneven tire wear on the rear axle,
• problems with maintaining the specified toe-in during adjustment.

Integration with the suspension system and safety

The control arm works with other elements from the Control Arms and Ball Joints group, creating a complete wheel guidance system. A functional component in this location limits uncontrolled changes in camber and toe-in angles, which is important both during highway driving and in urban conditions. Proper selection and installation of this component is a real contribution to vehicle stability, the effectiveness of support systems (ESP, ABS), and passenger comfort.

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

Technical support and knowledge about the suspension system

For a better understanding of the role of control arms in the operation of the entire chassis and the impact of their condition on safety and comfort, it is worth referring to our guide material. Practical tips regarding diagnostics, symptoms of wear, and operating principles can be found in the article "Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers", which helps organize knowledge about key suspension components.