What are brake boosters and brake force regulators used for?

Brake boosters and brake force regulators are used to improve braking force and stability under various driving and load conditions. The booster reduces the pressure required on the pedal, while the regulator limits excessive pressure on the rear axle. Without these components, the system may operate less precisely, and the driver will feel greater pedal resistance or poorer braking balance.

What role does the vacuum booster play in the braking system?

The vacuum booster is an assembly that works with the brake pedal and master cylinder, using pressure differences to increase the force transmitted to the hydraulic system. In addition to the diaphragm itself, it includes a control valve, working chambers, and a pushrod. Its efficiency affects not only the comfort of pedal pressure but also the rapid response of the entire system during braking.

How to choose a brake booster and brake force regulator for a car?

When choosing, it is worth comparing the OEM number, interchangeable numbers, mounting type, and the type of cooperating master cylinder. The body version, engine, and presence of ABS or EBD also matter. In practice, it is safest to confirm compatibility by VIN and compare the part with the old component.

What symptoms indicate a problem with the brake booster or brake force regulator?

Typical symptoms include a hard brake pedal, delayed system response, uneven braking, and a change in car behavior during heavy deceleration. In some cases, there is also a hissing of air or a noticeable leak in the vacuum system. A regulator may show symptoms in the form of too strong or too weak rear-axle braking.

What cooperating elements should be paid attention to during installation?

During installation, check the condition of the vacuum line, the tightness of connections, the setting of the pushrod, and compatibility with the master cylinder. It is also worth assessing the condition of the brake fluid and the patency of the lines leading to other system components. If the car uses advanced braking electronics, correct cooperation with the control module is also important.

Servos and brake force correctors

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

More information

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Mercedes-Benz A W169 Brake Fluid Reservoir Screw Filler Tank Cap A2024300014

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A0004312127

Mercedes-Benz Sprinter W906 Brake Booster Servo Master Cylinder A9064300908

£32.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A2124301230

Brake Servo Mercedes W212 E-Class Booster Unit Master Cylinder A2124301230

£85.95

Free delivery: Aug 04

If paid before 14:00

Part no. A0014300108

Brake Servo Mercedes W639 Brake Booster Unit Master Cylinder A0014300108

£28.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A9064301408

Mercedes Sprinter W906 Brake Servo Booster Master Cylinder Unit A9064301408

£75.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A2054300130

Mercedes W205 Brake Servo Booster Master Cylinder Module A2054300130

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A1664301130

Mercedes W166 Brake Servo Booster Master Cylinder Module A1664301330

£70.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A2464300930

Mercedes-Benz A B W176 W246 Brake Servo Booster Master Cylinder A2464301330

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-A2464300929

Vacuum Pipe Mercedes W176 W246 Line Hose Brake Booster Servo A2464300929

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A1644302129

Mercedes ML W164 Vacuum Pipe Line Hose Brake Servo Unit A1644300729

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. A9064300408

Mercedes Sprinter W906 Brake Servo Booster Master Cylinder Unit A9064300408

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. A0009055204

Mercedes W177 W205 W213 Pressure Sensor Brake Booster Vacuum Servo A0009055204

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A1714300330

Mercedes SLK R171 Brake Servo Brake Master Cylinder Booster A1714300330

£47.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A2044303230

Brake Servo Mercedes W204 C 63 AMG Brake Master Cylinder Booster A2044303230

£28.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A2044305029

Vacuum Pipe Mercedes W204 S204 C207 Line Hose Brake Servo Unit A2044305029

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. A0009051001

Mercedes W213 S213 Pressure Sensor Brake Booster Vacuum Servo A0009051001

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A0054306430

Mercedes SLK R171 Brake Servo Brake Master Cylinder Booster A0054306430

£37.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A1714300130

Mercedes SLK R171 Brake Servo Brake Master Cylinder Booster A1714300130

£47.95

Free delivery: Aug 04

If paid before 14:00

Part no. A0009051701

Mercedes W205 X253 Pressure Sensor Brake Booster A0009051701

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A2124302330

Mercedes W212 Brake Servo Booster Master Cylinder Unit A2124302330

£37.95

Free delivery: Aug 04

If paid before 14:00

Part no. A4474310200

Mercedes Vito W447 Brake Servo Booster Master Cylinder Braking Unit A4474300208

£142.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A2464301129

Vacuum Hose Mercedes W176 W246 A B Class Brake Servo Pipe Line A2464301129

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A1664301130-1

Mercedes W166 Brake Servo Booster Master Cylinder Module A1664301330

£94.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A2464300930-2

Mercedes W176 W246 Brake Servo Booster Master Cylinder A2464301330

£37.95

Free delivery: Aug 04

If paid before 14:00

Part no. A6540703132-1

Mercedes W213 OM654 Diesel Vacuum Pipe Line Hose Brake Booster Servo A6540703132

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-A1694300330

Mercedes W169 W245 Brake Servo Booster Master Cylinder Unit A1694300330

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2214302530

Mercedes W221 Brake Servo Brake Master Cylinder Booster Unit A2214302130

£66.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A1774308100

Brake Booster Mercedes CLA C118 Coupe Petrol OM282 Master Cylinder Reservoir

£142.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2464300930

Brake Servo Mercedes W176 W246 Booster Expansion Tank Cover Cap A2464300330

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2124302829

Vacuum Pipe Mercedes W212 W218 OM651 Line Hose Brake Servo Unit A2124302829

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-A1724300730

Mercedes SLK R172 Brake Servo Master Cylinder Booster Module A1724301130

£75.95

Free delivery: Aug 04

If paid before 14:00

Part no. A4154300100

Brake Servo Mercedes W415 Citan Booster Unit Master Cylinder 0204828684

£75.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A2514300000

Mercedes W251 Brake Servo Master Cylinder Booster Unit A2514300000

£75.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A2034304929

Mercedes W203 W209 Vacuum Pipe Line Hose Brake Booster Servo M272 A2034304929

£37.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A2124302629

Mercedes W212 Vacuum Hose Pipe Line Brake Booster A2124302629

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. A0054301530

Mercedes Vaneo W414 Brake Servo Booster Master Cylinder Unit A0054301530

£37.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A2054301900

Vacuum Pipe Mercedes W213 S213 Line Hose Brake Booster Servo Unit A2054301100

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A2474300100

Mercedes W177 W247 Brake Servo Booster Master Cylinder Braking Unit A2474300100

£47.95

Free delivery: Aug 04

If paid before 14:00

Part no. A6510708532

Mercedes W906 OM651 Vacuum Line Pressure Transducer To Wastegate A6510708532

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-A1774309000

Mercedes W177 C118 Brake Servo Master Cylinder A1774309000

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. 474019492R

Mercedes Citan W415 Brake Vacuum Hose Servo Booster Line Pipe 474019492R

£66.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-A2474300800

Mercedes C118 W177 W247 Brake Servo Booster Master Cylinder Braking A2474300800

£32.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-A2464300302

Mercedes W176 W246 Brake Servo Master Cylinder Expansion Tank A2464301330

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-A4704312300

Mercedes X250d W470 Brake Servo Booster Master Cylinder Braking Unit A4704312300

£142.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-A2514301030

Mercedes W251 Brake Servo Master Cylinder Unit A2514301030

£80.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2124301329

Mercedes W212 Brake Vacuum Hose Servo Booster Line Pipe OM651 Diesel A2124301329

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2044302129

Mercedes W204 W211 Brake Booster Unit Vacuum Pipe Line A2044302129

£28.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A2314300030

Mercedes R231 Brake Servo Booster Master Cylinder Braking Unit A2314300030

£142.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A2434301100

Mercedes EQA H243 Brake Servo Booster A2434301100

£284.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-A2214303130

Mercedes W221 Brake Servo Master Cylinder Reservoir A2214303130

£47.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2214302930

Mercedes W221 Brake Servo Booster Master Cylinder Module Unit A2214302930

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2214301930

Mercedes W221 Brake Servo Brake Master Cylinder Booster Unit A2214301930

£142.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-A2044302230

Brake Servo Mercedes W204 Brake Master Cylinder Booster A2044302230

Product currently unavailable

Part no. rhd-A2044301230-1

Brake Servo Mercedes W204 W207 Booster Master Cylinder A2044301230

Product currently unavailable

Part no. A0075420318

Pressure Sensor Mercedes W204 S204 W212 S212 Brake Vacuum Servo A0075420318

Product currently unavailable

Part no. rhd-A6394300102

Mercedes-Benz Vito W639 Servo Brake Fluid Reservoir Bottle A6394300102

Product currently unavailable

Part no. rhd-A0054309701

Mercedes-Benz C CLC Class CL203 W203 Brake Servo Master Cylinder A0054304930

Product currently unavailable

Part no. rhd-A2044301230

Mercedes C E W204 W207 Brake Booster Servo Master Cylinder A2044301230

Product currently unavailable

Part no. rhd-A2074300130

Brake Servo Mercedes W207 A207 C207 Booster Master Cylinder A2074300130

Product currently unavailable

Part no. rhd-A0054305030

Mercedes W203 C209 Brake Servo Master Cylinder Braking Booster A0054305030

Product currently unavailable

Part no. rhd-A0004311927

Mercedes-Benz Sprinter W906 Brake Booster Servo Master Cylinder A9064300308

Product currently unavailable

Part no. A2124301430

Mercedes W212 Brake Servo Booster Master Cylinder Unit A2124301430

Product currently unavailable

Part no. A9104310900-1

Brake Servo Mercedes Sprinter W907 W910 Booster Master Cylinder Unit A9104300000

Product currently unavailable

Part no. rhd-A2114301030

Mercedes W211 W219 Brake Servo Brake Master Cylinder Booster Unit A2114301030

Product currently unavailable

Part no. rhd-A9064301408-1

Mercedes Sprinter W906 Brake Servo Booster Master Cylinder Unit A9064301408

Product currently unavailable

Part no. rhd-A6394300408

Brake Servo Unit Mercedes Vito W639 Brake Booster Master Cylinder A6394300408

Product currently unavailable

Part no. A1694301230

Mercedes-Benz A B Class W169 W245 Brake Servo Master Cylinder A1694300330

Product currently unavailable

Part no. A1644310627

Mercedes ML W164 Brake Servo Brake Master Cylinder Booster Unit A1644301530

Product currently unavailable

Part no. rhd-A2134301030

Brake Servo Mercedes W213 S213 Booster Master Cylinder Control Unit A2134300530

Product currently unavailable

Part no. rhd-A6394300208

Brake Servo Unit Mercedes Vito W639 Brake Booster Master Cylinder A6394300208

Product currently unavailable

Part no. RHD-A0014300108

Mercedes Vito Viano W639 Brake Servo Booster Unit Master Cylinder A0014300108

Product currently unavailable

Part no. A9104310900

Brake Servo Mercedes Sprinter W907 W910 Booster Master Cylinder Unit A9104300000

Product currently unavailable

Part no. A0014300308

Brake Servo Mercedes Sprinter W901 W903 Booster Master Cylinder Unit A0014300308

Product currently unavailable

Part no. rhd-A1694301230-1

Mercedes-Benz A B Class W169 W245 1 Brake Servo Master Cylinder A1694300330

Product currently unavailable

Part no. A1635401217

Mercedes W164 W203 C209 Servo Travel Sensor Brake Pedal A1635401217

Product currently unavailable

Part no. A0025428418

Pressure Sensor Mercedes ML W164 R171 W203 W209 Brake Servo Sensor A0025428418

Product currently unavailable

Part no. A2464300930-1

Mercedes W176 W246 Brake Servo Booster Expansion Tank Cover Cap A2464300330

Product currently unavailable

Part no. rhd-A2124301030

Brake Servo Mercedes W212 Booster Unit Master Cylinder A2124301030

Product currently unavailable

Part no. rhd-A1714301829

Mercedes SLK R171 M271 Vacuum Pipe Line Hose Brake Servo Unit A1714301829

Product currently unavailable

Part no. A0004300712

Mercedes W211 CLS C219 Brake Servo Master Cylinder Booster Unit A0004300312

Product currently unavailable

Part no. A2114300630

Mercedes W211 CLS C219 Brake Servo Master Cylinder Booster Unit A2114300630

Product currently unavailable

Part no. A9104300100

Mercedes W907 Brake Servo Booster Master Cylinder Unit A9104300100

Product currently unavailable

Part no. RHD-A4474300508

Mercedes Vito W447 Brake Servo Booster Master Cylinder Braking Unit A4474300508

Product currently unavailable

Part no. rhd-A2384300100

Mercedes W205 Brake Servo Booster Master Cylinder Module A2384300100

Product currently unavailable

Part no. rhd-A0054309701-1

Mercedes-Benz C CLK Class W203 C209 Brake Servo Master Cylinder A0054309630

Product currently unavailable

Part no. rhd-A4474300208

Mercedes Vito W447 Brake Servo Booster Master Cylinder Module A4474300208

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Part no. rhd-A2114301929

Vacuum Pipe Mercedes W211 W219 Line Hose Brake Servo Unit Pipe A2114301929

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Part no. A6540703132

Mercedes W213 OM654 Diesel Vacuum Pipe Line Hose Brake Booster Servo A6540703132

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Part no. rhd-A4474310600

Mercedes Vito W447 Brake Servo Booster Master Cylinder Braking Unit A4474300300

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Part no. rhd-A2104303329

Mercedes-Benz E-Class W210 S210 Brake Servo Vacuum Pipe Hose Line A2104303329

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Part no. RHD-A2044302230-1

Brake Servo Mercedes W204 Brake Master Cylinder Booster A2044302230

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Part no. A1644310427

Mercedes W164 Brake Servo Brake Master Cylinder Booster A1644301030

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Part no. A0004300312-1

Mercedes W211 S211 Brake Servo Master Cylinder Brake Booster A0004300312

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Part no. A2054300330

Mercedes W205 Brake Servo Booster Master Cylinder Braking Module A2054300330

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Mercedes W205 Brake Servo Booster Master Cylinder Module A2054300130

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Part no. A0009054804

Mercedes R172 Pressure Sensor Brake Booster Vacuum Servo A0009054804

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Mercedes W203 CL203 Vacuum Line Intake Manifold To Brake Booster A2034306229

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Part no. rhd-A6394300408-1

Mercedes Vito W639 Brake Servo Unit Brake Booster Master Cylinder A6394300408

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Brake Servo Mercedes W205 C238 Booster Master Cylinder Module A2134300430

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Showing 1-99 of 164 products

Brake boosters and force regulators for optimal pressure distribution

Optimal servos and braking force correctors

Brake boosters and brake force regulators are key components of the braking system that support its efficiency and improve driving safety. The brake booster increases braking force, reducing the effort required from the driver, while the brake force regulator optimizes the distribution of force to the vehicle's axles, preventing wheel lock-up. In the Global Parts automotive store, you will find a wide selection of used car parts, including brake boosters and brake force regulators, ideal for brands such as BMW, Audi, Mercedes, Volkswagen, Mini, and others.

Construction and purpose of brake boosters and brake force regulators – definition and operating principle

A brake booster (vacuum booster) is a component of the brake assist system that uses pressure differences—most commonly vacuum generated by the engine or a vacuum pump—to increase the pressure applied to the brake master cylinder. In practice, this means the driver can generate 3–5 times more braking force with the same pedal pressure. Standard boosters have a diameter of 7 to 11 inches, which directly affects the level of assistance. A brake force regulator is a rear-axle pressure regulator responsible for dynamically adjusting pressure in the rear circuit based on the vehicle's load. In vehicles without an electronic EBD system, it operates mechanically or hydraulically, limiting pressure to the rear wheels during sudden braking. This helps maintain driving stability and proper traction. In modern designs, such as in BMW 3 Series, Audi A4, or Volkswagen Passat models, the function of a classic regulator is often supported by an ABS/EBD system, although the regulator itself remains responsible for the base calibration of braking force distribution.

Characteristics of brake boosters and brake force regulators

Brake boosters and brake force regulators are components installed within the braking system, usually between the brake pedal and the master cylinder or in the hydraulic circuit of the rear axle. A booster typically consists of a housing, a diaphragm, a control valve, and a pushrod, while a regulator consists of a body, pressure channels, and a regulating element. These parts serve to reduce the force required on the pedal and to maintain the correct front-to-rear braking proportions.

What functions do brake boosters and brake force regulators perform?

Brake boosters and brake force regulators play essential roles in the braking system:

Increasing braking force – The booster amplifies the pressure on the brake pedal, which facilitates effective braking.
Optimizing braking force distribution – The brake force regulator prevents rear-axle wheel lock-up, especially in low-traction conditions.
Improving driving comfort – Thanks to the smooth operation of the braking system, driving becomes more comfortable and safer.

Comparison of construction and application of components

Component	Main function	Cooperating area	What to check before selection
Brake booster	Assisting pressure on the master cylinder	Brake pedal, master cylinder, vacuum line	Diameter, mounting type, pushrod length, compatibility with the master cylinder
Brake force regulator	Regulating pressure in the rear axle circuit	Brake lines, rear axle, suspension components	Line layout, adjustment method, body and load version
Set with master cylinder	Transmitting and amplifying force and generating pressure	Booster, master cylinder, fluid reservoir	OEM number, mounting spacing, circuit type, and equipment compatibility

Technical parameters and compatibility with the braking system

In practice, the compatibility of a brake booster and brake force regulator with the vehicle depends on several technical parameters:

booster diameter (e.g., 8", 9", 10"),
type of mounting to the firewall,
length of the pushrod interacting with the master cylinder,
type of master cylinder (single- or dual-circuit),
type of system (ABS / ABS + EBD / non-ABS).

Example operating parameters

Component	Function	Typical parameters	Impact on safety
Brake booster	Assisting pressure force	Vacuum 0.6–0.9 bar, diameter 7–11"	Shortening braking distance by several meters at 100 km/h
Brake force regulator	Rear axle pressure regulation	Proportional pressure reduction as load increases	Driving stability and slip limitation

Properly matching these components to the vehicle model directly affects braking efficiency, even wear of pads and discs, and optimal operation of the entire hydraulic system.

Selection by OEM number and system version

The selection of these parts should take into account the OEM part number, interchangeable numbers, body type, and vehicle equipment. The brake booster must match in diameter, mounting point, and pushrod length, while the regulator must match the routing of the lines and the adjustment method. For parts such as a BMW E46 brake booster, it is also worth comparing the master cylinder version and the presence of cooperating systems, such as brake master cylinders.

Why is it worth taking care of brake boosters and brake force regulators?

Malfunction of brake boosters and brake force regulators can lead to reduced braking efficiency and increased risk on the road. Typical symptoms of failure include:

Hard brake pedal – May indicate a failure of the brake booster.
Uneven braking – Problems with the brake force regulator can cause excessive braking on one axle.
Noises during braking – A damaged booster or regulator can generate unusual sounds. If replacement is necessary, at Global Parts you will find suitable used car parts that will restore the full efficiency of the braking system.

Braking system operation procedure – step by step

The driver presses the brake pedal.
The booster uses vacuum to increase the pressure on the master cylinder.
The master cylinder generates hydraulic pressure in the brake lines.
The brake force regulator adjusts the pressure proportion between the front and rear axles.
Calipers press the pads against the discs, generating friction and reducing vehicle speed. In a properly functioning system, the braking force distribution is on average about 60–70% front / 30–40% rear, which ensures stability and optimal use of tire grip.

Cooperating elements and typical inspection points

The vacuum port, booster hose, pedal pushrod, and brake hoses, lines, and connectors are elements that directly affect the proper operation of assistance and pressure regulation. The booster seal is a detail responsible for the tightness of the connection and maintaining the proper operating conditions of the vacuum system. If you are looking for a component such as a booster seal, check the seating diameter, the condition of the contact surface, and compatibility with the booster housing.

How to choose the right brake boosters and brake force regulators?

When choosing brake boosters and brake force regulators, pay attention to several key aspects:

Compatibility with the vehicle model – Every braking system has its specific technical requirements. At Global Parts, you will find brake boosters and brake force regulators perfectly matched to BMW, Audi, Mercedes, Volkswagen, Mini, and others.
Technical condition – Used parts should be free from leaks, mechanical damage, and defects in pneumatic systems.
Compatibility with the braking system – Ensure that the selected components are consistent with the design and specification of your vehicle.

Matching, OEM, VIN, and integration with other components

The selection of a brake booster and brake force regulator should take into account structural compatibility with the master cylinder, brake lines, and the ABS system. In practice, matching is done based on the model, year, engine version, and the vehicle's VIN. These elements work directly with:

the master cylinder,
the brake fluid reservoir,
the ABS/ESP module,
brake calipers and wheel cylinders. Proper compatibility ensures not only safety but also savings in operating costs – the correct pressure distribution reduces uneven wear of friction elements and improves the durability of the entire system.

Practical selection of parts for specific car versions

When looking for parts for a specific model, for example, a BMW E46, it is good to verify the OEM number, booster diameter, line layout, and how it works with the ABS and ESP system. Such verification is especially important when the car was produced in several engine variants and with different braking equipment. Additionally, the guide How to extend the life of used car parts? may be helpful, as it provides tips on how to assess the condition and usage of components.

Why is it worth choosing used brake boosters and brake force regulators?

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

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

How to take care of brake boosters and brake force regulators?

To ensure brake boosters and brake force regulators work reliably for a long time, it is worth following a few rules:

Regular inspections – Check the condition of braking system components during periodic technical inspections.
Maintain the correct brake fluid level – Low fluid levels can lead to damage to the booster and other components.
Respond to symptoms of failure – Noises, uneven braking, or problems with the brake pedal are signals that faulty parts should be replaced.

FAQ

Question	Answer
What is the construction and purpose of brake boosters and brake force regulators?	Brake boosters and brake force regulators are braking system components installed at the master cylinder and in the pressure regulation circuit, respectively. A booster typically consists of a housing, diaphragm, valve, and pushrod, while a regulator consists of a body and a mechanism regulating pressure flow. Their task is to increase braking efficiency and maintain proper force distribution between the vehicle's axles.
What are brake boosters and brake force regulators used for?	Brake boosters and brake force regulators are used to improve braking force and stability under various driving and load conditions. The booster reduces the pressure required on the pedal, while the regulator limits excessive pressure on the rear axle. Without these components, the system may operate less precisely, and the driver will feel greater pedal resistance or poorer braking balance.
What role does the vacuum booster play in the braking system?	The vacuum booster is an assembly that works with the brake pedal and master cylinder, using pressure differences to increase the force transmitted to the hydraulic system. In addition to the diaphragm itself, it includes a control valve, working chambers, and a pushrod. Its efficiency affects not only the comfort of pedal pressure but also the rapid response of the entire system during braking.
How to choose a brake booster and brake force regulator for a car?	When choosing, it is worth comparing the OEM number, interchangeable numbers, mounting type, and the type of cooperating master cylinder. The body version, engine, and presence of ABS or EBD also matter. In practice, it is safest to confirm compatibility by VIN and compare the part with the old component.
What symptoms indicate a problem with the brake booster or brake force regulator?	Typical symptoms include a hard brake pedal, delayed system response, uneven braking, and a change in car behavior during heavy deceleration. In some cases, there is also a hissing of air or a noticeable leak in the vacuum system. A regulator may show symptoms in the form of too strong or too weak rear-axle braking.
What cooperating elements should be paid attention to during installation?	During installation, check the condition of the vacuum line, the tightness of connections, the setting of the pushrod, and compatibility with the master cylinder. It is also worth assessing the condition of the brake fluid and the patency of the lines leading to other system components. If the car uses advanced braking electronics, correct cooperation with the control module is also important.

Summary: brake boosters and brake force regulators at the Global Parts automotive store

Brake boosters and brake force regulators are essential braking system components that increase braking efficiency and precision. The Global Parts offer includes used components matched to many versions of cars from brands such as BMW, Mercedes, Mini, and others, taking into account data such as brand, condition, OEM part number, and interchangeable numbers. We invite you to contact us – we are here to help! For more information and interesting facts, we also invite you to visit our automotive blog.

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