Audi TT 8N Wishbone Control Arm Axle Suspension Front Left N/S 8N0407165

The Audi TT 8N Front Left Suspension Control Arm is an original chassis component from the Control Arms & Ball Joints group, designed for the front left side of the suspension. Engineered by Audi, it ensures correct wheel geometry, stable handling, and predictable vehicle behavior during braking and cornering.

Specifications and technical data

• SKU: 8N0407151D
• Mark: Audi
• Condition: Used
• OEM Part Number: 8N0407151D
• Substitutable numbers: 8N0407151D, 8N0 407 151 D, 8N0407165, 8N0 407 165
• Location on the vehicle: Front, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and Function in Suspension

The front left control arm in the Audi TT 8N is responsible for precisely guiding the wheel relative to the body, transferring road loads to the chassis, and maintaining the correct camber and toe angles. A properly selected component from this group is crucial for:

• maintaining straight-line stability at higher speeds,
• even tire wear,
• braking effectiveness and the proper functioning of ABS/ESP systems,
• comfort in damping unevenness in conjunction with shock absorbers and springs.

Thanks to its design that adheres to Audi's factory specifications, this control arm works seamlessly with other suspension components, preserving the vehicle's original handling characteristics.

Construction and Mounting Fitment

This component has been specifically designed for the front left side of the vehicle, guaranteeing the correct positioning of mounting points relative to the body and the steering knuckle. The appropriately shaped control arm ensures:

• correct suspension geometry after installation,
• compatibility with factory ball joints and rubber-metal bushings,
• seamless integration with standard steering system components.

This precise fitment minimizes the risk of mounting stresses and facilitates subsequent toe adjustment at a diagnostic station.

Benefits of Using an Original Audi Control Arm

Choosing an original Audi control arm for the TT 8N allows for the preservation of the entire suspension system's integrity. In practice, this means:

• maintaining factory handling characteristics – the car responds to steering inputs in a predictable and repeatable manner,
• better synergy with standard shock absorbers, springs, and anti-roll bars,
• reduction of unwanted vibrations transmitted to the body and steering system,
• easier diagnostics – suspension performance parameters match the values intended by the manufacturer.

This solution is particularly recommended for repairs where maintaining original driving characteristics is paramount, avoiding experimentation with unreliable aftermarket parts.

Characteristics of a Used Component

The offered control arm is a used part, allowing for economical repairs while maintaining Audi's original construction. This type of part is especially suitable when the priority is:

• adherence to factory specifications,
• reducing repair costs while choosing an OEM-grade component,
• avoiding fitment issues typical of some aftermarket alternatives.

Prior to installation, a standard inspection of the bushings and ball joint is recommended, followed by a suspension geometry measurement and adjustment after replacement.

Technical Support and Additional Information

For users who wish to better understand the operation of their car's suspension, a guide describing the role of shock absorbers, control arms, and anti-roll bars in driving safety will be useful – details can be found in the article Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Anti-Roll Bars.

If you are planning a comprehensive repair or upgrade of the front suspension area in your Audi and need other parts from the same group, such as additional control arms, ball joints, or mounting elements, check the available parts in the Audi Control Arms & Ball Joints category.

If you are interested in a broader approach to sourcing original used parts – from key components to small mounting elements – it is worth reading the guide Comprehensive Sourcing: How to Assemble Used Car Parts in One Place, which discusses the advantages of One-Stop-Shop purchasing.