Audi A4 B8 A5 8T ABS Pump Hydraulic Brake Pump Control Module 8K0614517BJ

ABS Pump – Hydraulic Brake Pump with Control Module for Audi A4 B8 and Audi A5 8T is an original component of the braking system, designed for precise cooperation with the vehicle's factory electronics. This used sub-assembly from the Other ABS Parts group allows for the restoration of proper anti-lock braking system (ABS) functionality without the need for costly replacement of the entire system. By maintaining OEM specifications, it represents a technically matched service solution.

Specifications and technical data

• SKU: 8K0614517BJ
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0614517BJ
• Substitutable numbers: 8K0614517BJ, 8K0 614 517 BJ
• Category: Additional ABS Parts

Purpose and Function in the Braking System

The ABS hydraulic pump with control module is responsible for precise pressure modulation in the brake circuits during emergency braking and in situations of traction loss. In Audi A4 B8 and Audi A5 8T models, it works with wheel speed sensors and the body control module to:

• limit wheel lock-up during sudden braking,
• stabilize the vehicle's trajectory in critical road conditions,
• maintain consistent operation with related systems (ESP/ASR, if present in the vehicle),
• ensure repeatable brake pedal feel.

By preserving the original braking system architecture, using this pump with its control module ensures compliance with the parameters specified by the vehicle manufacturer.

Kit Construction: Hydraulic Part and Control Module

The described component combines a hydraulic block and an electronic control module into a single unit. This design:

• simplifies installation in the engine bay – one integrated unit instead of several dispersed components,
• minimizes the risk of leaks at brake line connections,
• ensures a short signal path between the electronics and the hydraulic section.

The integration of the controller with the hydraulic block in one housing promotes stable system operation and facilitates computer diagnostics in the workshop.

Benefits of Using an Original ABS Pump

Using an original, used ABS pump from an Audi A4 B8 or Audi A5 8T offers a range of practical service benefits:

• Factory Fitment – maintained compatibility with the electrical system, brake lines, and body mounting points.
• Consistent Operation with Safety Systems – the control module is designed to work with a specific generation of onboard electronics.
• Cost Savings Compared to New Parts – a used OEM part helps reduce repair costs while maintaining proper operating parameters.
• Diagnostic Capability – the system is adapted for reading errors and operating parameters using factory service tools.

Condition, Origin, and Service Application

The ABS pump with control module is offered as a used original part, sourced from dismantled Audi vehicles. This type of part is particularly useful in situations where the vehicle exhibits ABS system errors, unstable braking performance, or when the complete hydraulic-electronic unit needs replacement due to mechanical damage or corrosion.

Before installation, it is recommended to perform a full brake system diagnostic, bleed the system, and adapt the control module according to the service procedure for the specific Audi model. This approach allows for the restoration of proper ABS system functionality and vehicle stability during braking.

If you are planning a comprehensive repair or upgrade of the braking area in your Audi and require other parts from the same group, such as pumps, control modules, or hydraulic blocks, check the available parts in the Other Audi ABS Parts category.

Additional Information and Technical Support

For those who wish to better understand the advantages of using original dismantled components, a material has been prepared describing the importance of OEM parts in terms of safety and durability. It is worth reading the article on the advantages of used original OEM car parts to make informed component choices for your vehicle.

If you are interested in the broader application of dismantled sub-assemblies in vehicle modification projects, including in the mechanical area, you can also refer to a tuning guide available in the article on visual and mechanical tuning of Seat vehicles using dismantled parts. This will help you better plan modernization work while maintaining an appropriate level of safety.