Audi S4 B8 Front Control Arm Lower Curved Wishbone Left N/S 8K0407695F

Audi S4 B8 lower control arm front left is a suspension component from the Control Arms & Ball Joints category, designed for the front left side of the vehicle. It provides a solid foundation for restoring proper suspension geometry, precise vehicle handling, and stability during braking and dynamic driving.

Specifications and technical data

• SKU: 8K0407695F
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0407695F
• Substitutable numbers: 8K0407695F, 8K0 407 695 F
• Location on the vehicle: Front, Left
• Part type: Control Arm & Ball Joint Assembly
• Category: Control Arms, Ball Joints & Assemblies

Purpose and Vehicle Placement

The presented front left lower control arm operates at a critical point in the suspension system, responsible for the stable connection between the body and the wheel assembly. Its placement on the front left side means this component bears significant loads during braking, cornering, and driving over uneven surfaces.

A properly selected control arm in this position is crucial for:

• maintaining correct wheel alignment (toe, camber),
• maintaining driving stability at higher speeds,
• even tire wear and predictable vehicle behavior in corners,
• reducing vibrations transmitted to the body and steering system.

Technical and Functional Characteristics

The lower control arm in the Audi S4 B8 works in conjunction with the ball joint and other multi-link suspension elements, creating a rigid yet flexible wheel control system. This type of construction ensures:

• precise wheel control relative to the body throughout the entire suspension travel range,
• proper transfer of longitudinal and lateral forces (braking, acceleration, lateral G-forces),
• control over suspension angle changes during compression, which translates to better grip.

As a component from the Control Arms & Ball Joints group, this part works with metal-rubber bushings and a ball joint, which are responsible for damping vibrations and ensuring smooth suspension movement. A properly functioning control arm minimizes play in the system, improving steering response and enhancing driving confidence.

Benefits of Using an Original Audi Control Arm

Choosing a control arm specifically designed for the Audi S4 B8 allows you to maintain the car's original driving characteristics. The key benefits include:

• compatibility with the factory suspension – precise fit to the geometry and mounting points specified by the manufacturer,
• seamless integration with other control arms and ball joints on the front axle,
• maintaining predictable vehicle behavior during sudden maneuvers,
• reducing excessive tire and suspension component wear caused by play or incorrect geometry.

This is particularly important for the S4 B8 model, which boasts higher performance and requires a stable, reliable suspension capable of handling greater dynamic loads.

Component Condition and Service Application

The offered control arm is used, making it an attractive option for suspension repairs where cost-effectiveness and appropriate quality are important. This type of part is suitable for situations where:

• a damaged control arm needs to be replaced quickly after a collision or impact with an obstacle,
• play develops in the suspension, knocking sounds occur, or the car pulls to one side when driving straight,
• incorrect front axle geometry is detected, caused by a damaged control arm.

Manufacturer markings and reference numbers help in selecting the correct part for a specific Audi S4 B8 version, allowing for precise verification of part compatibility with a given vehicle.

More Information on Suspension and Related Parts

If you are looking for other elements from the Audi control arms and ball joints category, check out the Audi control arms and ball joints available in our store to find a complete solution for your suspension.

Want to better understand how to care for your suspension system and when to address the first signs of wear? Read our practical guide “Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers”, where you'll find specific tips on diagnostics and maintenance.