Audi A4 B7 Front Axle Lower Wishbone Control Arm Left N/S 8E0407151R

Audi A4 B7 Front Axle Lower Wishbone Control Arm Left N/S is a component from the Control arms and ball joints category, designed for installation on the front axle on the driver's side. This solution is dedicated to users who expect precise vehicle handling, driving stability, and proper load distribution within the suspension system.

Specifications and technical data

• SKU: 8E0407151R
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E0407151R
• Substitutable numbers: 8E0407151R, 8E0 407 151 R
• Location on the vehicle: Front, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension

This front axle lower control arm on the left side is responsible for maintaining proper wheel geometry, body stabilization, and controlling the operation of springs and shock absorbers while driving. As a structural element of the suspension system, it works in conjunction with the ball joint and other components, ensuring predictable car behavior during braking, acceleration, and driving over uneven surfaces.

Thanks to its appropriate shape and mounting points, the control arm helps to limit unwanted changes in wheel toe and camber, which translates into better grip and even tire wear. A properly selected component of this type is crucial for the safety and driving comfort of an Audi in daily operation.

Compatibility and fitment for Audi

The control arm has been designed specifically for the front axle on the left side of the Audi A4 B7 model, which means it fits factory mounting points and works with the original suspension geometry. The appropriate design of the arm and mounting sockets allows for installation without the need to modify other system components.

Selecting the right control arm for a specific body version and drivetrain is important for maintaining the vehicle's driving parameters. Using a dedicated component helps avoid problems with geometry alignment and minimizes the risk of improper operation of ball joints and metal-rubber bushings.

Characteristics of the used component

The offered control arm is a used part, meaning it comes from dismantling and was previously operated in a vehicle. This type of part can be a beneficial solution for users looking for a technically sound replacement at a reasonable price, while maintaining compatibility with the factory Audi suspension design.

Before installation, it is recommended to perform a standard check of the condition of the ball joint and bushings, as well as to verify any play and potential signs of excessive wear. After installation, it is necessary to set the wheel geometry to fully utilize the potential of the suspension system and ensure stable vehicle handling.

Significance for safety and driving comfort

A functional lower control arm on the front axle on the left side has a direct impact on the car's behavior in emergency situations, such as sudden obstacle avoidance or heavy braking. The appropriate stiffness and geometry of the arm translate into precise steering system reactions and predictable force transfer to the body.

Replacing a worn control arm with a properly selected component allows for reducing suspension knocking, improving stability at higher speeds, and increasing driving comfort on uneven surfaces. This is particularly important in cars used intensively or with higher mileage, where suspension components are subject to natural wear.

Related components and additional 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 hardware, check the available parts in the Audi control arms and ball joints category.

For users who want to better understand the relationships between the operation of control arms, shock absorbers, and stabilizers, as well as the symptoms of wear for these components, the guide article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which describes practical aspects of diagnostics and suspension operation in various car models, will be helpful.