Mercedes W204 Wheel Hub Front Axle Wheel Drive Flange Hub A2043300625

Mercedes W204 Wheel Hub Front Axle Wheel Drive Flange Hub is a component from the Wheel bearings, hubs and bushings group, designed for the chassis system of Mercedes vehicles. It is responsible for stable wheel guidance, proper load transfer, and precise interaction with the suspension and braking system, which directly affects driving comfort and safety.

Specifications and technical data

• SKU: A2043300625-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2043300625
• Substitutable numbers: A2043300625, A 204 330 06 25, BG
• Location on the vehicle: Front
• Category: Wheel Bearings, Hubs & Seals

Purpose and function in the chassis system

The described wheel hub with bearing is structurally prepared for operation in the front part of the vehicle, where it carries significant dynamic and static loads. Its task is to ensure smooth wheel rotation, maintain proper suspension geometry, and provide stable vehicle handling at various speeds and loads. A correctly selected hub reduces vibrations, noise, and uneven tire wear.

Compatibility and part identification

The element has been designed specifically for the Mercedes W204 family of models, which means it fits factory mounting points and works with original suspension and brake components. Thanks to the use of the OEM part number and interchangeable numbers, selecting the right hub for a specific body and engine version is facilitated and can be verified using vehicle data.

In case of doubts during selection, it is worth using the VIN and catalog numbers to avoid dimensional or structural discrepancies. This approach minimizes the risk of installation problems and ensures proper cooperation with other chassis system components.

Performance characteristics and benefits of use

The wheel hub with bearing in this model is responsible for:

• maintaining the axial rotation of the wheel relative to the steering knuckle,
• stable transfer of vertical and lateral loads,
• reducing play in the chassis system,
• cooperation with brake components and safety systems.

A properly selected and functional element of this group affects steering precision, predictable car behavior in corners, and even tire wear. For the user, this means more confident vehicle handling and less susceptibility to steering wheel vibrations or noise coming from the wheel area.

Condition, origin, and economic aspect

The presented wheel hub with bearing is a used part, which represents a reasonable compromise between repair costs and maintaining appropriate performance parameters. In many cases, the use of verified components from the secondary market allows for a significant reduction in service costs while maintaining functionality consistent with the vehicle manufacturer's requirements.

If you want to better understand the specifics of the secondary market and dispel doubts regarding the quality of such components, it is worth reading the article Used car parts: Myths and facts you need to know, which discusses the most common concerns and practical criteria for evaluating used subassemblies.

Selection by OEM number and technical support

When choosing a wheel hub with bearing for a specific Mercedes vehicle, it is crucial to compare the OEM part number and interchangeable numbers with the vehicle documentation or information from catalog systems. This allows for confirming dimensional compliance, construction type, and suitability for the appropriate axle and model version.

If you need a practical guide to the identification process, the step-by-step tutorial may be helpful: how to choose the right car part by VIN and OEM number, which describes how to verify compatibility and a list of questions worth asking the seller before purchasing.

Expanding repairs within the chassis system

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