Audi TT 8J Lower Control Arm Wishbone Front Left N/S 8J0407151D

Audi TT 8J Lower Control Arm Wishbone Front Left N/S is a component from the Control Arms and Ball Joints group, designed for precise operation in the front suspension of the Audi sports coupé. This used OEM part ensures factory-spec geometry, solid wheel handling, and predictable vehicle behavior during braking and dynamic maneuvers. It is a practical solution for drivers looking to restore proper suspension performance while maintaining cost-effective maintenance.

Specifications and technical data

• SKU: 8J0407151D
• Mark: Audi
• Condition: Used
• OEM Part Number: 8J0407151D
• Substitutable numbers: 8J0407151D, 8J0 407 151 D
• Location on the vehicle: Front, Left
• Rim width: 8
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension

The lower control arm on the front axle is responsible for stable wheel guidance, maintaining proper wheel alignment, and controlling hub position changes during suspension travel. For the Audi TT 8J, this is particularly important as the car combines sporty characteristics with daily usability, and steering precision is crucial for safety and comfort.

The placement of this component on the front axle allows for the direct correction of play, knocking, and instability that occur when the factory control arm wears out. Replacing it with an original component from the same design group restores predictable steering response and improves the vehicle's behavior on uneven surfaces.

Benefits of using an original Audi control arm

Choosing a control arm from Audi ensures compliance with the factory suspension design specifications. As a result:

• front axle geometry remains consistent with manufacturer parameters,
• the risk of uneven tire wear is reduced,
• the steering system maintains a predictable response to steering inputs,
• the suspension works cohesively with other components in the Control Arms and Ball Joints group.

Additionally, using an OEM component simplifies service work – the mechanic does not need to adjust aftermarket replacements, and the installation process follows factory repair technology.

Wheel compatibility and handling stability

The control arm works with wheels of a specific rim width, which is important for maintaining the correct wheel position in the wheel arch and for the operation of the entire suspension system. A properly selected component supports driving stability, especially at higher speeds and when cornering.

Combined with properly selected tires and other suspension elements, this control arm helps maintain consistent, predictable vehicle behavior, which is essential both in daily city driving and during dynamic highway use.

Part condition and service application

The offered control arm is a used part, which allows for a significant reduction in repair costs compared to new parts, while maintaining the original design. It is a sensible choice for users who want to restore proper suspension operation without sacrificing an OEM component.

In practice, such an element will work well both for a standard replacement of a worn control arm and for broader service work covering the entire Control Arms and Ball Joints group, where the consistency of the applied solutions is important.

Technical support and suspension knowledge

If you want to better understand how control arms work with shock absorbers and stabilizers in modern designs, it is worth checking out proven technical materials. You can find practical information in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which discusses the relationships between key suspension elements and helps in planning repairs consciously.

Expanding repairs within the same group

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