Mercedes W204 ABS Brake Pump Steering Hydraulic Braking Unit A2044312412

Mercedes W204 ABS Brake Pump Steering Hydraulic Braking Unit is a specialized module from the ABS and ESP system group, responsible for precise pressure control in the brake circuit and integration with the electronic stability program. This solution is designed for users who expect efficient, predictable brake performance and proper operation of safety systems in their Mercedes.

Specifications and technical data

• SKU: A2044312412
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2044312412
• Substitutable numbers: A2044312412, A 204 431 24 12, A2045455332, A 204 545 53 32, BG
• Category: ABS & Stability Hydraulic Units

Purpose and function in the vehicle

The described Mercedes W204 ABS Brake Pump Steering Hydraulic Braking Unit has been designed to work with electronic traction and stability control systems in Mercedes C-Class W204 generation models. It is responsible for rapidly building and reducing pressure in the brake circuit, which enables the effective operation of anti-lock braking systems and supports vehicle stability during emergency braking.

By integrating hydraulic and control functions, this module allows for precise modulation of braking force on individual wheels, which translates into better vehicle control in emergency situations and when driving on surfaces with varying grip levels.

Benefits of using an original module

Using an original solution dedicated to the Mercedes W204 ensures a proper fit for the vehicle's hydraulic and electrical systems. The pump's specific operating characteristics and compatibility with factory controls result in:

• stable operation of the ABS and ESP system across the full speed range,
• consistent interaction with other components of the braking system,
• preservation of factory safety parameters and driving comfort.

A used component of this type allows for an economical repair of the braking system while maintaining the correct build quality and structural fit.

Technical characteristics and vehicle integration

The Mercedes W204 ABS Brake Pump Steering Hydraulic Braking Unit is an integrated module that combines the hydraulic block and the control section in a single housing. This design facilitates installation in the engine bay and reduces the number of connections, which promotes the reliability of the entire system. The component is prepared for integration with the factory wiring harness and brake lines specified by the manufacturer.

The module should be treated as a key component of the active safety system – its proper operation has a direct impact on braking efficiency, directional stability, and the performance of driver assistance systems. For this reason, when replacing it, it is important to pay attention to compatibility with the control system and proper bleeding of the installation after assembly.

Condition and service application

The offered component belongs to the used parts group, which allows for reduced repair costs while maintaining the manufacturer's original specifications. This type of module is particularly useful in situations where the existing ABS pump in the vehicle has suffered mechanical damage, internal corrosion, or hydraulic control failure.

Replacing the complete assembly is often a faster and more predictable solution than attempting to repair a damaged block, while simultaneously enabling the restoration of full functionality of the ABS and ESP systems in the vehicle.

Expansion and other elements from the ABS and ESP system group

If you are planning a comprehensive repair or upgrade of the braking zone in your Mercedes and need other elements from the same group, such as wheel speed sensors, control modules, or additional hydraulic blocks, check the available parts in the Mercedes ABS and ESP system category.

Support in selecting used parts and tuning

When choosing a used ABS module, it is worth paying attention to compatibility with the vehicle's factory configuration and control parameters. Practical tips on the safe use of used components in modified vehicles may be helpful – you can find them in the article Tuning with used parts – how to gain performance without spending a fortune.

If you want to further organize your knowledge on the professional selection of used components and avoid poor purchases, use the expert advice described in the material how to professionally select used car parts.