Audi A6 C8 Q7 4M Rear Wishbone Lower Control Arm Right O/S 4M0505371R

Audi A6 C8 Q7 4M Rear Wishbone Lower Control Arm Right O/S is an original suspension component from the Control Arms and Ball Joints category, designed for the rear axle on the passenger side. Precise geometry and factory-standard construction ensure proper wheel guidance, vehicle stability, and predictable body behavior during braking, acceleration, and cornering. This solution is dedicated to drivers who expect to maintain factory handling parameters in modern Audi models.

Specifications and technical data

• SKU: 4M0505371R
• Mark: Audi
• Condition: Used
• OEM Part Number: 4M0505371R
• Substitutable numbers: 4M0505371R, 4M0 505 371 R
• Location on the vehicle: Rear, Right
• Part type: Control Arm & Ball Joint Assembly
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension system

The presented lower control arm has been specifically designed for the rear axle on the right side in high-end Audi models. As a component responsible for maintaining the correct position of the hub and wheel relative to the body, it works in conjunction with other multi-link suspension components, stabilizing the driving path and limiting unwanted changes in wheel alignment and camber.

Thanks to its factory design, the control arm provides:

• appropriate stiffness in planes critical for vehicle handling,
• controlled flexibility at mounting points, which improves ride comfort,
• proper cooperation with shock absorbers, springs, and other rear axle control arms.

Benefits of using an original control arm

Using an original control arm in an Audi A6 C8 or Q7 4M allows you to maintain the driving parameters intended by the manufacturer. Factory geometry and mounting points minimize the risk of alignment issues and uneven tire wear. This is particularly important in vehicles equipped with advanced driver assistance systems, which require stable and repeatable suspension performance.

As a component in the Control Arms and Ball Joints category, the control arm is also responsible for transferring dynamic loads from the wheel to the body, which is why its proper selection has a direct impact on:

• vehicle stability at higher speeds,
• precision of steering response,
• reduction of vibrations and noise transmitted to the cabin.

Vehicle placement and compatibility

The component is intended for installation in the rear of the vehicle on the right side, which is crucial when selecting parts for a multi-link suspension. Correct vehicle placement guarantees compliance with the factory axle design, and thus proper cooperation with other control arms, ball joints, and mounting elements.

When selecting this control arm for a specific Audi vehicle, it is worth verifying compatibility with the vehicle's service documentation and the part numbers provided by the manufacturer to ensure full compatibility with the given body version and suspension system.

Professional installation and operation

Due to its importance for safety and driving stability, installation in a specialized service center is recommended, using appropriate tools and tightening torques in accordance with the manufacturer's guidelines. After replacing the control arm, it is advisable to perform a measurement and adjustment of the rear axle wheel geometry to fully utilize the potential of the newly installed component.

Proper operation, regular checks of the condition of bushings and ball joints, and quick reaction to signs of wear (knocking, instability, vehicle pulling) allow you to keep the suspension in good condition and limit the wear of other components.

Suspension system expansion and technical knowledge

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 elements, check the available parts in the Audi Control Arms and Ball Joints category.

To better understand the relationships between shock absorbers, control arms, and stabilizers and to consciously plan service work on the suspension system, it is worth consulting practical technical materials. The article Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers will be helpful, as it explains how to care for key components responsible for safety and driving comfort.