What is the construction and purpose of the ABS and ESP system?

The ABS and ESP system is a set of hydraulic, electronic, and measurement elements responsible for controlling braking and vehicle stability. A typical set includes a pump or hydraulic block, a controller, wheel speed sensors, and sensors used by the driving path stabilization system. The module is usually mounted in the engine compartment and connected to the car's braking and electrical installation.

What is the ABS and ESP system used for?

The ABS and ESP system is used to limit the risk of wheel lock-up during braking and to correct the driving path in situations of traction loss. ABS maintains steerability during heavy braking, and ESP uses signals from sensors and selective wheel braking to stabilize the car. Without a properly functioning system, the driver has less support when driving on slippery surfaces and during sudden maneuvers.

What is the construction and function of the ABS/ESP hydraulic block?

The ABS/ESP hydraulic block is a part containing brake fluid flow channels, solenoid valves, and a pump controlling pressure in individual circuits. This element works directly with the controller, which, based on signals from sensors, opens or closes valves at the right moment. In addition to pressure regulation itself, electrical connectors, the layout of line outlets, and compatibility with a specific car version are also important.

How to choose the right ABS/ESP module or pump for a car?

It is safest to compare the OEM number, interchangeable numbers, module manufacturer, and electrical connector type. It is also worth checking the body version, drive, equipment, and brake system designation, as visually similar parts may differ in controller configuration. For used parts, comparing photos of mounting points and hydraulic outlets is also helpful.

What symptoms indicate a problem with the ABS and ESP system?

The most common symptoms are illuminated ABS or ESP warning lights, errors stored in the controller's memory, incorrect reaction during braking, and sporadic activation of the stabilization system. In practice, the fault may concern a wheel sensor, wiring, the controller, or the hydraulic block itself. In diagnostics, it is also worth verifying power supply, ground, and the condition of plugs.

How is the installation and activation of ABS and ESP system components carried out?

Installation requires proper seating of the module, connection of brake lines, and electrical installation according to the factory layout. After replacement, bleeding the system, clearing errors, and adapting or coding the controller are often necessary, depending on the vehicle version. Therefore, before installation, it is worth ensuring that the part has matching markings and corresponds to the car's equipment.

ABS and ESP system

At the Global Parts automotive store, we offer a wide selection of original used car parts, including ABS and ESP systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Our ABS and ESP systems undergo quality control to ensure you receive a top-quality product.

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Mercedes W204 Brake Pump ABS ESP Hydraulic Braking Unit A1729014000 A1724314212

€61.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2534310200

Mercedes W205 Brake Pump ABS Hydraulic Unit Module A2534310200 A2539011400

€47.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A0084316212

Brake Pump Mercedes Sprinter W906 Vito W639 ABS Hydraulic Module A0084316212

€108.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8E0910517H

Audi A4 B7 Brake Pump ABS Module Hydraulic Control Braking Unit 8E0910517H014

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A0064313812

Mercedes W169 W245 Brake Pump ABS Hydraulic Braking Unit A0064313812

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A1724314312

Mercedes W204 Hydraulic Pump ABS Brake Control Unit Module A1729014100

€104.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A9069008401

Mercedes Sprinter W906 Brake Pump ABS ESP Hydraulic Control Unit A9069008401

€132.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A0044316212-1

Mercedes W203 W209 ABS Hydraulic Brake Pump Unit A0375453632

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6850226

BMW X1 E84 Brake Pump Hydraulic Unit DSC Module Braking Unit 6850226 6850230

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A0084315412

Brake Pump Mercedes W639 Vito ABS ESP Hydraulic Control Unit Module A0084315412

€417.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6852886

BMW X3 F25 Hydraulic Pump ABS Brake Control Unit Module 6852886 6852887

€275.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6787836

BMW E81 E87 LCI E90 LCI ABS DSC Module Pump Hydro Unit 6787836 6787837

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A0044319212

Brake Pump Mercedes W169 W245 ABS Hydraulic Braking Unit A0044319212

€51.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6785683

Mini Cooper R55 R56 R57 ABS DSC Pump Hydro Braking Unit 6785683

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8K0907379CG

Audi A4 B8 A5 8T Brake Pump ABS Module Hydraulic Control Braking 8K0907379CG

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6775388

BMW E87 E90 E91 N52 M57N2 ABS DSC Hydro Braking Pump 6775388 6775389

€89.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5WA614517BG

Audi A3 8Y ABS Pump Hydraulic Brake Pump Control Module 5WA614517BG

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 2N0614517L

VW Volkswagen Crafter Sy ABS Pump Modulator Control Unit 2.0 TDI 2N0614517L

€640.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. CC11-2C405-BA

Ford Transit MK7 ABS Pump ECU Control Unit Module 2.2 Diesel CC11-2C405-BA

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2539011400

Mercedes W205 Brake Pump ABS ESC Hydraulic Unit Module A2534312800 A2539011400

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6891612

BMW F20 F21 F22 F23 F30 F31 F32 F33 DSC Hydro Braking Unit Pump 6891612 6891611

€85.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8V0614517D

Audi A3 8V Brake Pump ABS Module Hydraulic Control Braking Unit 8V0614517D

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5Q0614517GA

Audi Q2 GA Brake Pump ABS Module Hydraulic Control Braking Unit 5Q0614517GA

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A0004312000

Mercedes W176 Brake Pump ABS ESP Hydraulic Braking Control Unit A0004312000

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8G91-2C405-AB

Ford Mondeo Mk4 ABS Brake Pump Control Module Unit 8G91-2C405-AB

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K0614235A

Audi A3 8P Seat Leon Mk2 ABS Pump Brake Unit Bracket Mount Holder 1K0614235A

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 80A907379AD

Audi Q5 FY ABS Pump Control Module 2.0 Diesel 80A907379AD 80A614517AD

€393.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6780922

Mini Cooper R56 ABS ASC Hydro Braking Unit Pump 6780922

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A1779007805

ABS Pump Mercedes C118 W177 Hydraulic Brake ESP Control Unit A1779007805

€80.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6773025

BMW MINI Cooper One R56 Bracket Support Mount ABS Hydraulic Unit Control Brake

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8E0614517BD

Audi RS4 B7 8E 8H ABS Brake Pump Hydraulic Unit 4.2 Petrol Quattro 8E0614517BD

€142.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5Q0614517CF

Volkswagen Golf Mk7 Seat Leon Mk3 ABS Pump Brake Control Unit 5Q0614517CF

€66.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. FH22-2C405-AD

Land Rover Discovery 4 L319 ABS Pump Brake Control Module Unit FH22-2C405-AD

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 46865600

Vauxhall Movano C Citroen Relay ABS Brake Hydraulic Pump Module Unit 46865600

€332.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2048260024

Mercedes W204 Brake Pump ABS Hydraulic Unit Bracket Mount Holder A2048260024

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5Q0614517DK

Audi A3 8V ABS Pump Hydraulic Brake Pump Control Module 5Q0614517DK

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. GJ32-2C405-AH

Land Rover Discovery Sport L550 ABS Pump Control Module Modulator GJ32-2C405-AH

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8V0614517E

Audi A3 8V Brake Pump ABS Module Hydraulic Control Braking Unit 8V0614517E

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6865025-3

BMW X5 E70 X6 E71 DSC Pump Hydraulic Unit Module 6793488 6793492

€89.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5QA614517BA

Audi Q2 GA Brake Pump ABS Module Hydraulic Control Braking Unit 5QA614517BA

€189.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8K0907379CN

Audi A4 B8 Brake Pump ABS Module Hydraulic Control Braking Unit 8K0907379CN

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. HPLA-14F447-AE

Range Rover Sport L494 ABS Pump Braking Unit Module HPLA-14F447-AE

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5A30BC9

BMW F40 M135iX ABS Pump DSC Hydraulic Brake Pump Control Module 5A30BC9

€165.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2059007445

Mercedes W205 Brake Pump ABS Hydraulic Brake Control Unit Module A2059007445

€360.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6790381

Mini R55 R56 R57 ABS DSC Pump Hydro Braking Unit 6790381 6790382

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 4F0910517AL

Audi A6 C6 ABS Brake Pump Module Control Unit Hydraulic 4F0614517BA 4F0910517AL

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2054311400

Mercedes C205 C63 AMG ABS Hydraulic Brake Pump A2054311400

€712.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 4K0907379AA

Audi A6 C8 Brake Pump ABS Module Hydraulic Control Braking Unit 4K0907379AA

€522.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2074300010

Brake Pump Bracket Mercedes W204 W207 ABS Mount Holder Support A2074300010

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Mini Countryman F60 ABS Hydro Braking Control Unit Pump Module 7916193

-0%

Part no. 7916193

Mini Countryman F60 ABS Hydro Braking Control Unit Pump Module 7916193

Promo price

€332.95

€332.45

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. EY16-2C013-AB

Ford Transit Courier ABS Pump Control Module Unit ECU 1.5 TDCI EY16-2C013-AB

€564.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8K0614517GL

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

€284.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K0614235D

Audi A3 8P Golf 5 Caddy ABS Pump Bracket Brake Unit Mount Holder 1K0614235D

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. EK31-2C405-CA

Ford Transit Mk8 ABS Pump Control Module EK31-2C405-CA

€132.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 4H0614517R

Audi A8L D4 ABS Pump Module Brake Hydraulic Control Unit 4H0614517R 4H0907379T

€132.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2124313612

Mercedes W212 ESP ABS Hydro Control Unit Brake Pump Control Unit A2124313512

€85.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5A374A8

Brake Pump BMW F45 X1 F48 Mini F54 F60 ABS Hydraulic Module 6891408 6891409

€89.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A9079008304

Mercedes W907 Brake Pump ABS Hydraulic Control Unit Module A9079008304

€199.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8E0614119AL

ABS Pump Bracket Audi A4 S4 B7 Brake Unit Mount Holder 8E0614119AL

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6887741

Hydro Braking BMW F20 F21 F22 F23 F30 F31 F32 F33 DSC Unit Pump 6887741 6887740

€89.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7LB614517B

VW Volkswagen Transporter T6 Brake Pump ABS Module Hydraulic Unit 7LB614517B

€246.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6897148

Brake Pump BMW F45 X1 F48 ABS Hydraulic Braking Control Unit 6897148 6897147

€113.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A1779009203

Mercedes W177 Brake Pump ESP ABS Hydraulic Control Unit A1779009203 A1779019102

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 3C0614109AF

VW Volkswagen Passat B6 ABS Brake Hydraulic Pump Control Unit 3C0614109AF

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2214311448

Mercedes W221 Brake Pump ABS Hydraulic Assembly Unit Control Module A2214311448

€180.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A0094316412

Mercedes W176 Brake Pump ABS ESP Hydraulic Braking Control Unit A0094316412

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A1779006404

Mercedes W177 ABS Pump Hydraulic Brake Pump Module A1779006404

€237.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6773026-1

Mini Cooper R56 R55 R57 Anti Lock Brake Bracket Hydraulic Unit 6790485

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6785682

BMW Mini Cooper R56 ABS ASC Hydro Braking Unit Pump 6785682

€113.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. BJ32-2C405-AE

Land Rover Range Rover Evoque L538 ABS Pump Control Module BJ32-2C405-AE

€142.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6897159

BMW F45 Active Tourer DSC ABS Hydro Braking Unit Pump 6897159 6897160

€222.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. SRB101241

Land Rover Discovery 2 L318 ABS Pump ECU Unit Modulator SRB101241

€180.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2045455232

Mercedes W204 ABS Brake Pump Steering Hydraulic Braking Unit A2044313812

€341.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6S432M110AA

Ford Transit Connect Mk1 ABS Hydraulic Pump Braking Unit 6S43-2M110-AA

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6795778

Brake Pump BMW X5 E70 X6 E71 Hydraulic Unit DSC ABS Module 6795778 6795779

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A0004311500

Mercedes W176 ABS Hydraulic Brake Pump Control Unit Module A0004311500

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6793932

Mini Cooper R55 R56 LCI DSC Hydro Braking Unit Pump Module 6793932 6793933

€61.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2124314712

Brake Pump Mercedes W212 ESP ABS Hydro Control Unit Control Unit A2124314712

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2534312800

Mercedes W205 Brake Pump ABS ESC Hydraulic Unit Module A2534312800 A2539011400

€47.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5A09E46

BMW G20 G21 ABS Pump Control Module Modulator 5A09E46

€469.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A1764310200

Mercedes W176 ABS Pump Brakes Hydraulic Pump Unit A45 AMG M133 A1764310200

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. HJ32-2C405-AC

Range Rover Evoque L538 ABS Pump Control Module HJ32-2C405-AC

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8K0907379R

Audi A4 B8 A5 8T CABB Petrol ABS Pump ABS Controller 8K0907379R 8K0614517BF

€75.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8Y0614517D

Audi A3 RS3 8Y ABS Pump Braking Control Unit Module 2.5 Petrol 8Y0614517D

€788.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 46857729

Citroën Relay III ABS Pump Modulator Calculator Control Unit 2.2 Diesel 46857729

€75.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 420614517C

Audi R8 42 ABS Pump Control Unit ESP 420614517C

€427.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6885278

Mini Cooper One F55 F56 ABS Brake Pump Hydro Braking Unit Module 6885277 6885278

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A9079009505

Mercedes W907 Brake Pump ABS Hydraulic Assembly Unit Control Module A9079009505

€218.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A1764310800

Mercedes W176 Pump ABS ESP Hydraulic Control Unit Braking Module A1764310800

€189.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 3C0614109P

Volkswagen Passat CC ABS Brake Hydraulic Pump Control Unit 3C0614109P

€51.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 4G0907379Q

Brake Pump ABS Audi A6 C7 A7 4G Module Hydraulic Control Braking Unit 4G0907379Q

€237.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A1779002403

Mercedes W177 Brake Pump ESP ABS Hydraulic Unit Module A1779002403 A1779015302

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8E0910517C

Audi A4 B7 Brake Pump ABS Module Hydraulic Control Braking Unit 8E0910517C

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6798525

BMW X5 E70 LCI X6 E71 DXC Hydro Unit ABS Pump ABS Hydraulic Unit Control 6798525

€474.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5WA614517BL

Skoda Octavia Mk4 ABS Pump Hydraulic Brake Pump Control Module 5WA614517BL

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A0004314140

Brake Pump Bracket Mercedes W639 W906 ABS Hydraulic Unit Holder A0004314140

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2134311601

Mercedes W213 Abs Pump Abs Hydraulic Unit Control A2134311601

€89.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8K0907379K

Audi A5 8T ABS Brake Pump Hydro Braking Pump Module Control Unit 8K0907379K

€51.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6860216

BMW X1 E84 Hydraulic Unit ABS DXC Pump Module 6860216 6860217

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

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ABS and ESP control modules – key to optimal brake system control

Top-quality ABS and ESP sensors - ensure your driving safety

ABS and ESP systems are advanced driving safety systems that minimize the risk of skidding and loss of vehicle control. ABS (Anti-lock Braking System) prevents wheel lock-up during braking, while ESP (Electronic Stability Program) stabilizes the vehicle when driving in difficult conditions, such as on corners or slippery surfaces. In the Global Parts automotive store, you will find a wide selection of used car parts, including ABS and ESP systems, ideal for brands such as BMW, Audi, Mercedes, Mini, and others.

What is the difference between ABS and ESP?

Although both systems work together, their functions differ. ABS reacts during sudden braking – each of the four brake discs has a dedicated rotational speed sensor that measures whether a wheel has locked up. The ESP system, on the other hand, operates continuously, analyzing data from steering angle, lateral acceleration, and wheel speed sensors. Thanks to this, it can automatically correct the driving path, for example, by slightly braking one wheel. In vehicles such as the BMW E90 or Volkswagen Passat B7, both systems interact within a single ABS/ESP controller, which enables precise reactions in a fraction of a second.

What functions do ABS and ESP systems perform?

ABS and ESP systems play key roles in ensuring driving safety:

Prevention of wheel lock-up (ABS) – The ABS system allows for full control over the driving direction during intense braking, especially in difficult weather conditions.
Driving path stabilization (ESP) – ESP automatically corrects the vehicle's path, reducing the risk of side skidding or oversteer.
Braking force optimization – ABS works with other systems, such as EBD (Electronic Brakeforce Distribution), to optimize brake efficiency.
Ensuring vehicle stability – ESP reacts to differences in wheel speed, making corrections that help the driver maintain control over the vehicle.

Construction and purpose of the ABS and ESP system

The ABS and ESP system is a hydraulic-electronic assembly most often mounted in the engine compartment, near the brake master cylinder and brake lines. Such a module usually consists of a hydraulic block, a pump, a controller, and electrical connectors that work with sensors at the wheels. The ABS and ESP system is used to control brake fluid pressure and to quickly correct the driving path when the electronics detect skidding or loss of traction.

Comparison of components working with the ABS and ESP system

Component	Main function	Location	What to check when selecting
ABS/ESP hydraulic pump	Regulates pressure in brake circuits	Engine compartment, near the hydraulic block	OEM number, controller type, number of line outlets, connector type
ABS/ESP controller	Processes signals from sensors and controls system operation	On the hydraulic module or as an integrated unit	OEM part number, software compatibility, vehicle version
Wheel speed sensor	Reads rotational wheel speed	At the hub or steering knuckle	Sensor type, cable length, mounting side, plug
Steering angle sensor / acceleration sensor	Provides data for ESP operation	Steering column or center of the body	Equipment compatibility, calibration, OEM number

Operating principle and compatibility of ABS sensors

The ABS sensor is most often of the inductive or magnetoresistive type. In models such as the BMW E46, the ABS sensor generates a voltage signal in the range of 0.5–1.5 V, which is read by the control module. In modern cars, active sensors are used, which require 5–12 V power and allow for more precise wheel speed readings. ABS sensor compatibility is crucial – e.g., a BMW E46 ABS sensor will not fit a BMW E90, despite the similarity in construction. At Global Parts, you will find product descriptions with information about the OEM number, hub diameter, and connector type, which facilitates the correct selection of parts.

Why is it worth taking care of the ABS and ESP system?

Damage or malfunction of the ABS and ESP system can lead to problems with safety and driving stability. Typical symptoms of a malfunction include:

ABS/ESP warning light on the dashboard – May indicate a failure of sensors, the controller, or the pump.
Extended braking distance – A faulty ABS can reduce braking efficiency on slippery surfaces.
Loss of stability while driving – An ESP failure can increase the risk of skidding in difficult conditions.
Brake pedal problems – Resistance or vibrations during braking may indicate a problem with the ABS system. At Global Parts, we offer used ABS and ESP system components that have undergone detailed quality tests, ensuring their durability and reliability.

The role of the hydraulic block and controller in system operation

The ABS/ESP hydraulic block is the part containing fluid flow channels, valves, and a pump responsible for quickly increasing and decreasing braking pressure. The controller refers to the electronic module managing valve operation based on signals from sensors and data from the vehicle bus. In practice, when selecting, the OEM part number, interchangeable numbers, pin layout, module manufacturer, and compatibility with the engine version and vehicle equipment are important.

Table – most common symptoms and possible causes of ABS/ESP system problems

Symptom	Possible cause	Example component to check
ABS light stays on	No signal from one sensor	BMW E46 / Passat B7 ABS sensor
ESP turns on for no reason	Damaged steering angle sensor	ESP module / Bosch 5.7 controller
Brake pedal vibrations	Uneven signal from sensor	Rear wheel active ABS sensor
Longer braking distance	ABS pump failure	ATE MK60 ABS pump
No communication with module	Corrosion of electrical connector	ABS sensor wiring or ESP controller

How to choose the right ABS and ESP system components?

When choosing ABS and ESP system components, you should pay attention to several key aspects:

Matching the vehicle model – Each ABS and ESP system is specific to a given model and drive type. In Global Parts, you will find ABS and ESP system components perfectly matched to BMW, Audi, Mercedes, Mini, and others.
Technical condition – Used parts, such as sensors, controllers, or pumps, should be free from mechanical and electrical damage.
System compatibility – Ensure that the selected components work with the other elements of the ABS and ESP system in your vehicle.

Selecting parts by OEM, connector, and vehicle version

The ABS and ESP system requires compatibility not only with the brand but also with the body version, drive type, and electronics configuration. When choosing, it is worth comparing the OEM number, the number of pins in the plug, the layout of hydraulic lines, and the module manufacturer's marking. In the case of parts such as the ABS pump 1ko 614 517 bd, it is crucial to check the compatibility of the hydraulic block and controller with the specific installation version. If you are looking for a subassembly such as a BMW E87 ABS pump, you must verify the part number, electrical connector type, and whether the module works with the appropriate ABS controller. Additionally, it is worth comparing the routing of lines at the module and the mounting location in the engine compartment to avoid differences between pre-facelift and post-facelift versions.

Examples of part matching for popular models

BMW E46 – ABS sensors are mounted at each wheel, working with the Bosch 5.3 module.
BMW E90 – Uses the Bosch 8.0 ESP module with DTC (Dynamic Traction Control) function.
Volkswagen Passat B7 – ATE MK60E ABS system integrated with ESP, compatible with active sensors. Selecting components by VIN or OEM number guarantees full electrical and mechanical compatibility. Global Parts offers the ability to filter parts by brand, year, engine version, and module manufacturer.

Why is it worth choosing used ABS and ESP system components?

Used car parts, such as ABS and ESP system components, are a practical solution that allows for savings while maintaining high quality. By choosing used ABS and ESP system components, you gain:

Lower costs – Used elements are significantly cheaper than new ones but offer equally high quality.
Ecology – Recycling car parts supports environmental protection and reduces waste.
Wide offer – In our store, you will find ABS and ESP system components for many car brands.

How to take care of the ABS and ESP system?

To ensure the ABS and ESP system works reliably for a long time, it is worth following a few rules:

Regularly check the condition of ABS/ESP sensors and cables to prevent operational problems.
Change brake fluid according to the manufacturer's recommendations to ensure proper ABS pump operation.
Monitor any errors on the dashboard and quickly diagnose problems at a workshop.
If a replacement is needed, at Global Parts you will find suitable used car parts that will restore full functionality to your braking and stabilization system.

Related brake system elements and cooperation diagnostics

The ABS and ESP system works with hydraulic, electrical, and mechanical components of the entire braking assembly. During diagnostics, it is also worth checking the ABS speed sensor, the condition of brake hoses, lines, and connectors, and the correct operation of elements from the brake master cylinders group. When completing a repair for a specific model, e.g., SBC W211, the compatibility of the module with the vehicle installation and the bleeding procedure after installation is also important. Those comparing the operation of the entire system can supplement diagnostics by checking parts from the Brake system and parts section. A useful supplementary material is also the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which shows how selection by VIN and OEM number facilitates work in other car systems as well.

FAQ

Question	Answer
What is the construction and purpose of the ABS and ESP system?	The ABS and ESP system is a set of hydraulic, electronic, and measurement elements responsible for controlling braking and vehicle stability. A typical set includes a pump or hydraulic block, a controller, wheel speed sensors, and sensors used by the driving path stabilization system. The module is usually mounted in the engine compartment and connected to the car's braking and electrical installation.
What is the ABS and ESP system used for?	The ABS and ESP system is used to limit the risk of wheel lock-up during braking and to correct the driving path in situations of traction loss. ABS maintains steerability during heavy braking, and ESP uses signals from sensors and selective wheel braking to stabilize the car. Without a properly functioning system, the driver has less support when driving on slippery surfaces and during sudden maneuvers.
What is the construction and function of the ABS/ESP hydraulic block?	The ABS/ESP hydraulic block is a part containing brake fluid flow channels, solenoid valves, and a pump controlling pressure in individual circuits. This element works directly with the controller, which, based on signals from sensors, opens or closes valves at the right moment. In addition to pressure regulation itself, electrical connectors, the layout of line outlets, and compatibility with a specific car version are also important.
How to choose the right ABS/ESP module or pump for a car?	It is safest to compare the OEM number, interchangeable numbers, module manufacturer, and electrical connector type. It is also worth checking the body version, drive, equipment, and brake system designation, as visually similar parts may differ in controller configuration. For used parts, comparing photos of mounting points and hydraulic outlets is also helpful.
What symptoms indicate a problem with the ABS and ESP system?	The most common symptoms are illuminated ABS or ESP warning lights, errors stored in the controller's memory, incorrect reaction during braking, and sporadic activation of the stabilization system. In practice, the fault may concern a wheel sensor, wiring, the controller, or the hydraulic block itself. In diagnostics, it is also worth verifying power supply, ground, and the condition of plugs.
How is the installation and activation of ABS and ESP system components carried out?	Installation requires proper seating of the module, connection of brake lines, and electrical installation according to the factory layout. After replacement, bleeding the system, clearing errors, and adapting or coding the controller are often necessary, depending on the vehicle version. Therefore, before installation, it is worth ensuring that the part has matching markings and corresponds to the car's equipment.

Summary: ABS and ESP systems in the Global Parts automotive store

ABS and ESP systems are advanced safety systems that ensure stability, braking efficiency, and protection in various road conditions. The Global Parts offer includes used components matched to many vehicle versions of brands such as Mercedes, BMW, Unbranded, and others, taking into account data such as brand, condition, OEM part number, and interchangeable numbers. This method of selection makes it easier to compare the module, pump, or sensor with the equipment of a specific car. We invite you to contact us – we are here to help you! For more information and interesting facts, we also invite you to visit our automotive blog.

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