Brake Pump ABS Audi A4 S4 B8 Module Hydraulic Control Braking Unit 8K0614517GL

Brake Pump ABS Audi A4 S4 B8 Module Hydraulic Control Braking Unit is a component from the ABS and ESP system group, designed for Audi vehicles, engineered for precise control of brake system pressure and vehicle stability. A properly selected ABS pump ensures predictable vehicle response during emergency braking, working in tandem with the body electronics and the braking system.

Specifications and technical data

• SKU: 8K0614517GL
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0614517GL
• Substitutable numbers: 8K0614517GL, 8K0 614 517 GL
• Category: ABS & Stability Hydraulic Units

Function and role of the pump in the ABS and ESP system

The Brake Pump ABS Audi A4 S4 B8 Module Hydraulic Control Braking Unit is responsible for generating and modulating pressure in the brake circuits, which allows the ABS system to quickly prevent wheel lock-up. In combination with the ESP stability control system, this component enables selective braking of individual wheels, supporting the driver in emergency situations and on surfaces with varying grip.

Thanks to its precise design and factory operating characteristics, the pump works with wheel speed sensors, the ABS/ESP controller, and the standard hydraulic system, which translates into stable, repeatable performance of the entire braking system.

Benefits of using an original Audi component

Using a component from the Audi group allows you to maintain the factory operating parameters of the braking system without the need for adaptation or modification of the installation. The original geometry of the hydraulic connections and electrical connectors facilitates installation and reduces the risk of leaks or communication errors with the vehicle's electronics.

Key advantages include:

• maintaining braking characteristics consistent with the vehicle manufacturer's specifications,
• proper cooperation with active safety systems,
• consistency with the ABS/ESP controller software,
• reducing the risk of incorrect error messages on the dashboard.

Condition, selection, and installation

The item is offered as a used part, which allows for an economical repair of the braking system while maintaining the original manufacturer's specifications. Before installation, it is recommended to verify compatibility with the specific engine version and vehicle equipment, as well as to check the hydraulic system for leaks and brake fluid cleanliness.

When selecting a pump, it is worth using the manufacturer's markings and vehicle data (model, generation, year of production) to ensure full compatibility with the existing controller and electrical harness. Professional installation, system bleeding, and potential adaptation using an appropriate diagnostic tester are crucial for the proper operation of the ABS and ESP system.

Practical application and driving safety

A functional Brake Pump ABS Audi A4 S4 B8 Module Hydraulic Control Braking Unit has a direct impact on braking distance under limit conditions and on vehicle stability during sudden maneuvers. Combined with properly functioning wheel speed sensors and the system controller, the driver receives predictable electronic support, which increases driving safety in the city, on the highway, and on slippery surfaces.

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, wheel speed sensors, or pressure lines, check the available parts in the ABS and ESP system Audi category.

Technical support and additional knowledge

When working with advanced vehicle systems such as ABS, ESP, or the fuel system, reliable knowledge regarding diagnostics and component selection by identification numbers is helpful. It is worth reading the guide material on working with supply systems and regeneration methods, available in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses, among other things, good service practices when working with hydraulic and electronic components in modern cars.