Audi A8 D4 ABS Pump Module Brake Hydraulic Control Unit 4H0907379

Audi A8 D4 ABS Pump Module Brake Hydraulic Control Unit is an original component from the ABS and ESP System group, responsible for precise control of brake system pressure and vehicle stability. Using a factory-fitted hydraulic control unit in an Audi ensures compatibility with the vehicle's electronics, as well as the proper operation of active safety systems.

Specifications and technical data

• SKU: 4H0614517B
• Mark: Audi
• Condition: Used
• OEM Part Number: 4H0614517B
• Substitutable numbers: 4H0614517B, 4H0 614 517 B, 4H0907379
• Category: ABS & Stability Hydraulic Units

Purpose and function in the vehicle

The presented Audi A8 D4 ABS Pump Module Brake Hydraulic Control Unit is designed for use in high-end Audi vehicles, where the braking system works in conjunction with advanced stability control systems. This component is responsible for:

• precise metering of pressure in the brake circuits during emergency braking,
• cooperation with the traction control and electronic stability program,
• maintaining the proper balance between braking efficiency and wheel grip,
• communication with other vehicle control units within the electronic network.

Thanks to the use of an original hydraulic module, full compatibility with the vehicle's software and the logic of the ABS and ESP systems is maintained.

Construction and technical characteristics

The module combines a hydraulic block with valves and an electronic control unit responsible for analyzing signals from wheel speed sensors and driving dynamics sensors in a single housing. This design:

• ensures rapid reactions to changes in grip,
• reduces the length of hydraulic and electrical lines,
• facilitates diagnostics and potential replacement of the entire assembly.

Original Audi manufacturing promotes the maintenance of proper system tightness, resistance to vibrations, and stability of operating parameters across a wide temperature range.

Condition, installation, and service aspects

The item comes from dismantling and is offered as a used ABS and ESP system module, which allows for a significant reduction in repair costs compared to a new OEM component. Replacing the complete hydraulic-electronic assembly is often a beneficial service solution, especially in the case of control unit or valve block malfunctions.

Before installation, it is recommended to:

• perform computer diagnostics of the vehicle,
• check the tightness of the brake lines,
• bleed the brake system according to the manufacturer's procedure,
• adapt or code the module if required by the specific vehicle configuration.

Benefits of using an original ABS module

Using a factory Audi A8 D4 ABS Pump Module Brake Hydraulic Control Unit brings a number of practical benefits:

• Full integration with vehicle electronics – proper cooperation with ABS, ESP, and traction control systems.
• Stable operating parameters – maintaining predictable vehicle behavior during emergency braking and on slippery surfaces.
• Savings compared to a new part – a used OEM element allows for reduced repair costs while maintaining high manufacturing quality.

For premium class vehicles, such as the Audi A8, the use of an original hydraulic module is particularly important from the point of view of safety and driving comfort.

Related Audi ABS and ESP System components

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 wheel speed sensors, brake lines, or additional control modules, check the available parts in the Audi ABS and ESP System category.

More about used OEM parts

When choosing a used ABS and ESP system module, it is worth paying attention to the origin of the part and its compliance with the manufacturer's markings. A broader discussion of the advantages of using original dismantled components, including safety and repair economy aspects, can be found in the article on quality assurance and the safety of used OEM parts. If you are also interested in the topic of selecting used components for premium class cars, read the material on used original parts for Mercedes, which shows how to effectively combine high quality with reasonable service costs.