Audi A4 B9 Brake Pump ABS Module Hydraulic Control Braking Unit 8W0907379AB

Audi A4 B9 Brake Pump ABS Module Hydraulic Control Braking Unit is an original component from the ABS and ESP system group, designed for precise control of brake system pressure and vehicle stability. This is a solution for users and workshops that expect factory compatibility, predictable operation of safety systems, and proven build quality.

Specifications and technical data

• SKU: 8W0907379AB
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W0907379AB
• Substitutable numbers: 8W0907379AB, 8W0 907 379 AB
• Part type: ABS/Stability Control Hydraulic Unit
• Category: ABS & Stability Hydraulic Units

Purpose and function in the vehicle

The hydraulic braking control module in the Audi A4 B9 is responsible for the interaction between the braking system and the electronics monitoring vehicle traction and stability. This component integrates functions related to pressure regulation in brake lines, which allows for the effective operation of anti-lock braking systems and supports stability maintenance in critical road situations. Thanks to its factory origin, the module maintains proper operating parameters, which is particularly important in vehicles equipped with advanced driver assistance systems. Proper fitment for the Audi A4 B9 platform reduces the risk of communication errors with other control units and facilitates service diagnostics.

Construction and technical characteristics

The presented Audi A4 B9 Brake Pump ABS Module Hydraulic Control Braking Unit combines the hydraulic part and the control block in one housing, which simplifies installation and maintenance. The design is intended for operation in demanding temperature and pressure conditions typical for modern braking systems in premium mid-size cars. Key features of this solution include:

• integrated support for ABS and electronic stability control functions,
• factory fitment to Audi's electrical architecture,
• full diagnostic capability using standard service tools. This combination of features makes the module particularly valued in professional workshops specializing in the repair of electronics and brake hydraulics in Audi vehicles.

Benefits of using an original module

Using an original Audi A4 B9 Brake Pump ABS Module Hydraulic Control Braking Unit allows for maintaining the consistency of the entire active safety system. Factory compatibility with vehicle software minimizes the risk of errors, warning lights, and adaptation issues after installation. In practice, this means:

• stable operation of ABS and ESP systems in various road conditions,
• easier coding and adaptation compared to aftermarket replacements of uncertain origin,
• greater predictability of vehicle behavior during emergency braking. This component is particularly attractive for users who want to restore full functionality to the braking system without experimenting with unverified solutions.

Condition, selection, and installation

The offered module comes from disassembly and is marked as a used product, which represents a favorable compromise between cost and maintaining original manufacturing quality. For proper selection, it is recommended to verify compatibility by the OEM number and compare the configuration with the component currently installed in the vehicle. During installation, it is important to:

• follow brake system bleeding procedures,
• perform adaptation and any necessary coding in the control units,
• check the tightness of hydraulic connections and the correctness of electrical connectors. This approach allows for fully utilizing the module's potential and ensuring safe vehicle operation after the repair.

Brake system expansion and additional materials

If you are planning a comprehensive repair or upgrade of the braking zone in your Audi and need other components from the same group, such as pumps, control modules, or wheel speed sensors, check the available parts in the Audi ABS and ESP system category. When deciding to choose a used control or hydraulic component, it is worth knowing the differences between an original from disassembly and remanufactured solutions – practical tips and a comparison can be found in the article "Starter system failure: why a used original beats remanufacturing when replacing an alternator and starter?", which clearly shows the advantages of using factory components from the secondary market. If you want to organize the process of purchasing and verifying used electronic and hydraulic components, the guide "Safe purchase of used car parts online – a step-by-step guide" may be helpful, describing practical methods of selection by catalog numbers and manufacturer specifications.