Audi R8 Front Wheel Bearing Hub Carrier Left N/S 420407245G

Audi R8 Front Wheel Bearing Hub Carrier Left N/S is a precision suspension component designed for installation on the front left side of the vehicle. As part of the Wheel bearings, hubs and bushings group, it is responsible for stable wheel guidance, load distribution, and proper interaction with the suspension and braking systems. This used OEM component is a solution that allows for a technically correct repair while maintaining factory geometry and handling characteristics.

Specifications and technical data

• SKU: 420407245G
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 420407245G
• Substitutable numbers: 420407245G, 420 407 245 G, 4D0 407 613 E, 4D0407613E
• Location on the vehicle: Front, Left
• Part type: Wheel Bearing
• Category: Wheel Bearings, Hubs & Seals

Purpose and function in the suspension system

The described wheel hub carrier is designed for operation on the front, left side of the vehicle, where it is responsible for rigid yet smooth wheel guidance relative to the suspension. This assembly acts as a crucial link between the shock absorber, control arms, braking system, and the wheel rim, ensuring:

• stable wheel seating and precise guidance according to specified geometry,
• effective transfer of longitudinal and lateral forces during braking and acceleration,
• cooperation with suspension components responsible for wheel alignment and camber,
• proper support for the brake disc and caliper.

As a result, the steering system maintains predictable responses, and the car handles confidently in both urban driving and dynamic conditions.

Benefits of using an original component

Choosing an original wheel hub carrier for the Audi R8 allows you to maintain the factory performance parameters of the suspension and braking system. Replicating OEM geometry minimizes the risk of incorrect wheel alignment, premature tire wear, or unwanted vibrations. Using a complete assembly with the bearing and steering knuckle also reduces service time, as it eliminates the need to match several different components.

A used part from dismantling is a reasonable compromise between cost and quality – especially in the case of advanced sports models, where new OEM parts are significantly more expensive. Maintaining the original design translates into predictable vehicle behavior after the repair.

Selection and technical compatibility

To ensure the proper operation of the suspension system, the selection of the wheel hub carrier should be based on the OEM part number and interchangeable numbers assigned to the specific version of the Audi R8. Proper fitment guarantees:

• dimensional compatibility with suspension and brake mounts,
• correct positioning of the hub relative to sensors and mating components,
• maintenance of factory safety and driving comfort parameters.

In case of doubt, it is worth verifying compatibility with service documentation or manufacturer catalog numbers to avoid installation issues and the need for re-replacement.

Characteristics of the used component

The item comes from dismantling, which means it was previously used in a vehicle but is still suitable for further use after a proper condition assessment. This type of solution is particularly attractive for accident repairs or restorations, where both the economic aspect and the preservation of the original technical specification are important. A used wheel hub carrier allows you to reduce costs without sacrificing the design developed by the vehicle manufacturer.

Before installation, it is recommended to perform a standard visual inspection and verify operating clearances in accordance with service procedures to ensure trouble-free operation after installation in the vehicle.

Expanding the scope of repair and knowledge about used parts

If you are planning a comprehensive repair or upgrade of the suspension and chassis area in your vehicle and need other elements from the same group, such as additional hubs, wheel bearings, or mounting bushings, check out the available parts in the BMW wheel bearings, hubs and bushings category.

When choosing components from dismantling, it is worth relying on reliable knowledge rather than common myths. If you want to better understand how to assess the condition of such elements and when their use makes technical sense, read the article Used car parts: Myths and facts you need to know, which clearly organizes the most important information on this topic.