Audi RS3 8P 2.5 TFSI Suspension Leg Front Left N/S Spring Strut Wheel Carrier

Audi RS3 8P 2.5 TFSI Suspension Leg Front Left N/S Spring Strut Wheel Carrier is a complete unit including the shock absorber with spring and the steering knuckle with wheel hub mount. Thanks to the factory Audi design, this strut, spring, and steering knuckle assembly ensures correct front axle geometry, stable handling, and predictable vehicle behavior in both road and track conditions.

Specifications and technical data

• SKU: 8P0413031B-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8P0413031B
• Substitutable numbers: 8P0413031B, 8P0 413 031 B
• Location on the vehicle: Front, Left
• Category: Steering Knuckles

Purpose and function in the suspension system

The described component is designed for installation on the front left side of the vehicle, in direct connection with the body, control arm, and steering system. This assembly is responsible for:

• guiding the wheel vertically and horizontally via the steering knuckle,
• damping road irregularities thanks to the suspension strut with spring,
• maintaining correct suspension geometry during dynamic driving.

In a car with characteristics such as the Audi RS3 8P 2.5 TFSI, a properly selected and functional strut with steering knuckle is crucial for stability at higher speeds and precision when cornering.

Assembly construction: strut, spring, steering knuckle

The presented suspension assembly combines several essential components into one structure. The strut with spring is responsible for carrying vertical loads and damping vibrations, while the front steering knuckle serves as the mounting point for the wheel hub, brake caliper, and steering system components. This solution:

• facilitates maintaining factory camber and caster angles,
• ensures rigid and repeatable wheel mounting relative to the body,
• reduces the risk of incorrect geometry settings after repair.

As a result, the assembly is particularly useful for post-collision repairs when more than one suspension component on the same side of the vehicle has been damaged.

Benefits of using an original suspension assembly

Choosing a complete, original suspension assembly for the Audi RS3 8P 2.5 TFSI allows for maintaining the structural integrity of the front axle. The most important advantages of this solution include:

• factory fitment to mounting points in the body and control arms,
• preservation of the suspension performance characteristics intended by the manufacturer,
• reduction in the number of potential incompatibilities resulting from mixing different components.

The item comes from the Steering Knuckles segment, which means its design is optimized for precise wheel guidance and cooperation with the braking and steering systems, without the compromises typical of universal aftermarket replacements.

Application in repairs and upgrades

This suspension assembly is suitable both for standard replacement of worn-out parts and for post-accident repairs when a comprehensive rebuild of the front left suspension is necessary. Using an OEM component allows you to:

• reduce repair costs compared to new parts,
• maintain the vehicle's original technical specifications,
• shorten installation time thanks to the complete set of components.

When performing body and mechanical repairs, it is worth considering a broader approach to part selection. You can find more about the conscious choice of used parts in the context of post-accident repairs in the article on the advantages of used body parts over aftermarket replacements.

Expanding repairs within Audi steering knuckles

If you are planning a comprehensive repair or upgrade of the front axle suspension area in your Audi and need other components from the same group, such as additional steering knuckles, mounts, or related steering elements, check out the available parts in the Audi Steering Knuckles category.