Audi A8 D3 Front Suspension Lower Wishbone Control Arm Right O/S 4E0407155C

Audi A8 D3 Front Suspension Lower Wishbone Control Arm Right O/S is a component from the Control arms and ball joints group, designed for operation in the front right corner of the suspension. It ensures precise wheel guidance, driving stability, and proper cooperation with other chassis components in the Audi A8 D3 generation.

Specifications and technical data

• SKU: 4E0407155C
• Mark: Audi
• Condition: Used
• OEM Part Number: 4E0407155C
• Substitutable numbers: 4E0407155C, 4E0 407 155 C
• Location on the vehicle: Front, Right
• Part type: Control Arm & Ball Joint Assembly
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension

The front lower right control arm in the Audi A8 D3 is responsible for maintaining proper suspension geometry, transferring loads from the wheel to the body, and damping vibrations resulting from road surface irregularities. Its placement in the front – right side zone means this component operates in a critical area responsible for stability during braking, acceleration, and cornering. The control arm works with the ball joint and other system elements, creating a rigid yet flexible suspension kinematics. A correctly selected component reduces excessive tire wear, improves steering response, and increases the predictability of the vehicle's behavior.

Benefits of using an original Audi control arm

The element from the Audi control arms and ball joints group has been designed specifically for the A8 D3 suspension construction, which translates into:

• precise fit to the mounting points on the body and steering knuckle,
• maintenance of factory wheel geometry parameters,
• consistent cooperation with stock shock absorbers, springs, and the stabilizer bar,
• appropriate stiffness and performance characteristics across the full load range. As a result, after replacement, you can achieve predictable handling, improved driving comfort, and a reduction in unwanted play and knocking in the front suspension.

Application in service practice

Replacement of the front lower right control arm is recommended in situations where symptoms such as driving instability, vehicle pulling, uneven tire wear, or noticeable play in the steering system appear. In the case of the Audi A8 D3, due to the vehicle's weight and the nature of its use, this component operates under demanding conditions, which is why its condition has a direct impact on safety and comfort. A precisely selected component facilitates the mechanic's work – installation proceeds according to factory technology, without the need to modify other suspension parts. This solution is particularly beneficial during comprehensive front-end service, when other control arms, ball joints, and mounting elements are checked in parallel.

Integration with the suspension system and diagnostics

Before installation, it is worth performing a detailed diagnosis of the entire suspension system to assess the condition of other elements working with the control arm. After replacement, it is recommended to perform a wheel alignment, which allows for fully utilizing the potential of the newly installed component and avoiding accelerated tire wear. For users who want to better understand the relationships between control arms, shock absorbers, and stabilizers, and the impact of these components on safety, the following guide will be useful: Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers. This is a practical supplement to knowledge when planning service work on advanced premium-class models.

Expanding Audi suspension service

If you are planning a comprehensive repair or upgrade of the front suspension zone 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.

Summary

Audi A8 D3 Front Suspension Lower Wishbone Control Arm Right O/S is a technically matched chassis component that allows for restoring the proper operation of the front suspension on the right side. Using a component from the dedicated group for Audi ensures consistency with the factory construction, improves handling precision, and provides a solid foundation for further service maintenance of the entire suspension system.