Mercedes W907 ABS Hydraulic Brake Pump Unit A9079004103

Mercedes W907 ABS Hydraulic Brake Pump Unit is a specialized brake system component from the ABS Control Units group, designed for installation in the rear part of the vehicle. This module comes from a Mercedes vehicle and provides a functional solution for users looking for proven, used ABS electronics and hydraulics with factory performance characteristics.

Specifications and technical data

• SKU: A9079004103
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9079004103
• Substitutable numbers: A9079004103, A 907 900 41 03, 2265106590, 2 265 106 590, 2265956615, 2 265 956 615
• Location on the vehicle: Rear
• Category: ABS Control Modules

Purpose and function in the brake system

The ABS hydraulic brake pump in Mercedes W907 models is responsible for precise pressure control in the rear axle brake circuits. It works in conjunction with wheel speed sensors and the system controller to limit wheel slip during emergency braking and stabilize the vehicle's path. Its location at the rear of the vehicle allows for optimal routing of brake lines and efficient pressure management in this zone.

This element is crucial for maintaining braking efficiency in low-grip conditions, such as wet surfaces, snow, or loose gravel. A properly functioning ABS hydraulic pump supports even distribution of braking force, which translates into vehicle stability and predictable brake system behavior.

Technical characteristics and compatibility

The offered pump belongs to the ABS Control Units category, which means the integration of the hydraulic part with the anti-lock system control unit. Using an original solution dedicated to the W907 platform facilitates matching with the existing electrical and hydraulic installation, as well as cooperation with the vehicle's factory software.

The product has an assigned OEM part number and a set of interchangeable numbers, which allows for precise verification of compatibility with a specific car configuration. Before purchasing, it is worth comparing the markings with service documentation or the removed part to ensure full compatibility with your specific Mercedes.

Condition, origin, and practical application

The ABS pump is offered as a used part, which is a reasonable compromise between repair costs and maintaining the manufacturer's original specifications. This type of solution is often chosen for repairs of fleet, delivery, and commercial vehicles, where reliability and operating economy are important. A used component allows you to restore the proper operation of the ABS system without the need to invest in a new module.

Due to its location in the rear of the vehicle, installation requires access to the brake lines and the ABS system wiring harness. It is recommended to have the replacement performed by a specialized service center, which, after installation, will bleed the brake system and perform electronic diagnostics to confirm proper communication with the vehicle's controller.

Benefits of using an original ABS pump

Using an original ABS pump dedicated to the Mercedes W907 ensures:

• maintenance of factory brake system operating parameters,
• proper cooperation with vehicle electronics and safety systems,
• appropriate mechanical and hydraulic fit to the rear of the body,
• the ability to use the existing installation without structural modifications.

For users who consciously choose used electronics and hydraulics, practical tips on selecting and verifying such elements may also be important. In this context, it is worth reading the guide: The second life of electronics – when is it worth choosing used controllers and modules in a car, which discusses issues such as quality, diagnostics, and the cost-effectiveness of purchasing aftermarket components.

Support with selection and additional information

When selecting an ABS pump for a Mercedes, it is crucial to verify the brand, OEM part number, and interchangeable numbers, which helps avoid problems with installation and communication with the vehicle system. In case of doubt, it is worth consulting a mechanic or the store's technical department by providing the markings from the nameplate or the removed component.

If you are planning a comprehensive repair or upgrade of the brake zone in your Mercedes and need other elements from the same group, such as control modules, hydraulic blocks, or anti-lock system management units, check the available parts in the Mercedes ABS Control Units category.

Additional arguments for choosing aftermarket components are also provided by the cost guide: Car parts – new or used? A comparison of costs and durability, which helps you make an informed decision on when a used ABS pump will be a technically and economically justified solution.