Audi A6 C6 ABS ESP Pump Hydraulic Block Control Unit 4F0614517AA 4F0910517AD

Audi A6 C6 ABS ESP Pump Hydraulic Block Control Unit is a brake system component responsible for precise pressure control in brake circuits and integration with ABS and ESP systems. Thanks to its factory design specifically for the Audi brand, it ensures consistent operation with the vehicle's electronics and stable performance of safety systems. This used component from the ABS Control Units category allows for an economical yet technically sound repair of the braking system.

Specifications and technical data

• SKU: 4F0614517AC
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F0614517AC
• Substitutable numbers: 4F0614517AC, 4F0 614 517 AC, 4F0910517AD, 4F0 910 517 AD
• Category: ABS Control Modules

Purpose and function in the braking system

The described ABS/ESP hydraulic pump is the central control element for brake fluid pressure in the system, working in conjunction with wheel speed sensors and the electronic control unit. In the Audi A6 C6, it is responsible for:

• controlling wheel slip during braking (ABS function),
• supporting vehicle stability control in emergency situations (ESP function),
• precise pressure distribution in individual brake circuits,
• integration with the vehicle's factory safety system.

By using an original solution from the ABS Control Units group, compatibility with the car's electrical and hydraulic architecture is maintained, which reduces the risk of system errors and communication issues on the data bus.

Benefits of using an original ABS control unit

Using a factory ABS/ESP pump module in an Audi provides a range of practical service and operational benefits:

• Consistency with vehicle software – the control unit is designed to work with a specific platform, which facilitates diagnostics and adaptation.
• Stable operation of ABS and ESP systems – proper communication with sensors and other modules reduces the risk of incorrect braking system interventions.
• Ability to use existing wiring and connectors – no need for modifications to the electrical or hydraulic installation.
• Better predictability of vehicle behavior – operating parameters correspond to the manufacturer's factory specifications.

The used component allows for lower repair costs while maintaining a design consistent with the original Audi engineering, which is particularly important for advanced safety systems.

Selection, installation, and diagnostics

Before installing the ABS/ESP pump in an Audi A6 C6, it is recommended to verify compatibility with the vehicle based on the OEM part number and available interchangeable numbers in the technical specification. This facilitates the selection of the correct control unit for a specific car configuration.

During installation, it is worth paying attention to:

• proper bleeding of the brake system after pump installation,
• checking the tightness of hydraulic lines and connectors,
• correct connection of the electrical harness and connector locks,
• performing adaptation procedures and tests using an appropriate diagnostic tool.

For users who want to approach the purchase of second-hand brake system components consciously, a guide describing detailed verification steps will be useful. You can find a detailed checklist in the article Second-hand braking system: how to safely choose discs, calipers, and ABS?, which discusses practical aspects of selecting used components in a store like Global Parts.

Product condition and service application

The presented ABS/ESP pump is a used component, which allows for significant repair cost savings compared to a new part, while maintaining the original Audi design. This type of solution is particularly beneficial in cases of:

• post-accident repairs where the hydraulic module has been damaged,
• instances of ABS/ESP errors related to control unit failure,
• the need to replace the complete pump and electronics assembly.

A properly selected and verified element from the ABS Control Units category allows for restoring full functionality of the braking system without interfering with the vehicle's construction.

Expanding repairs within the ABS system

If you are planning a comprehensive repair or upgrade of the braking zone in your Audi and need other elements from the same group, such as control modules, hydraulic units, or valve blocks, check the available parts in the Audi ABS Control Units category.