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.

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.

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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. RHD-4G2612103G

Audi A6 C7 Brake Servo Master Cylinder 4G2612103G

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6872071

BMW 1 F40 Brake Servo Unit 6872071 6873436

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. 8T0612103A

Audi RS4 B8 Brake Servo Booster Master Cylinder Module 8T0612103A

£37.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6797470

BMW X3 F25 X4 F26 Brake Servo Braking Unit Master Cylinder Booster 6850495

£37.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6857914-1

BMW F46 Brake Booster Servo Master Cylinder Expansion Tank 6857914

£42.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-DPLA-2B195-BA

Range Rover L405 Brake Servo Master Cylinder Brake Booster Unit DPLA-2B195-BA

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-7N2614105

VW Volkswagen Sharan 7N Audi Q3 8U Brake Servo Master Cylinder 7N2614105

£94.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-4F0612105M-1

Audi A6 C6 Brake Servo Booster Master Cylinder Tank Unit 4F0612105M

£47.95

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. GK21-2B195-AD

Ford Transit Custom Mk8 Brake Servo Master Cylinder 2.0 EcoBlue GK21-2B195-AD

£85.95

Free delivery: Aug 04

If paid before 14:00

Part no. 8092745

Brake Servo BMW X3 G01 X4 G02 Unit Master Cylinder Booster Petrol 8074223

£70.95

Free delivery: Aug 04

If paid before 14:00

Part no. GK21-2B195-AC

Ford Transit Custom Brake Servo Master Cylinder 2.0 EcoBlue GK21-2B195-AC

£75.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-5Q2614105BT

Skoda Octavia 5E Brake Servo With Master Cylinder 5Q2614105BT

£37.95

Free delivery: Aug 04

If paid before 14:00

Part no. 7E0612101C

VW Transporter T5 Brake Servo Booster Master Cylinder Unit 2.0 TDI 7E0612101C

£61.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6N1611349B

Audi A4 S4 B7 Brake Fluid Reservoir Screw Filler Tank Cap 6N1611349B

£13.95

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-7601022-1

BMW X3 F25 X4 F26 Pipe Line Hose Brake Servo Unit 7601022

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. 8T0612107

Audi A8L 4H Brake Servo Booster Master Cylinder 8T0612107 4H0612103C

£37.95

Free delivery: Aug 04

If paid before 14:00

Part no. 7795035

Vacuum Pipe Mini One Cooper D R55 R56 W16 Power Brake Servo Hose Line 7795035

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-8S2611931

Audi TT 8S Brake Servo Vacuum Hose Pipe Line Petrol Engine 8S2611931

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-4081077-1

BMW 1 3 4 Series F20 F21 F30 F31 F32 Brake Servo Unit Master Cylinder 4081077

£23.95

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-8605126

Vacuum Pipe BMW G30 G11 G14 G32 GT Brake System Servo Brake Buster Line 8605126

£42.95

Free delivery: Aug 04

If paid before 14:00

Part no. 8R0612107B

Audi Q5 8R Brake Master Cylinder Servo 8R0612103D

£61.95

Free delivery: Aug 04

If paid before 14:00

Part no. 8R0612107B-1

Audi Q5 8R Brake Master Cylinder Servo 8R0612103D

£51.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6889796

Brake Servo BMW G20 320d Diesel B47D Master Cylinder Reservoir 6889796

£94.95

Free delivery: Aug 04

If paid before 14:00

Part no. GK212B195BA

Ford Transit Custom Brake Servo Booster Vacuum Sensor Unit GK212B195BA

£142.95

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-5S6Y-2B195-BC

Ford Fiesta Mk5 Brake Servo Booster Master Cylinder 2.0 5S6Y-2B195-BC

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. 8K0611357

Audi A5 8T Servo Brake Expansion Tank Cover Cap Level Sensor 8K0611357

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6869016

BMW F40 Brake Servo Unit Master Cylinder Brake Booster 6854643

£66.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-5Q2614019M

VW Volkswagen Golf Sportsvan Brake Master Cylinder Unit 5Q2614105CA

£28.95

Free delivery: Aug 04

If paid before 14:00

Part no. 8W0612103G

Audi A5 F5 Petrol Brake Servo Braking Unit Master Cylinder Booster 8W0612103G

£18.95

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. 6918883

Mini R50 R52 R53 Rubber Grommet Seal Gasket Water Pipe 6918883

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6875609

BMW F45 Brake Servo Booster Master Cylinder Module 6875609

£37.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6855846

BMW 3 Series F30 LCI 330e Hybrid 3 Brake Servo Unit Master Cylinder 6855846

£66.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-7601022

Vacuum Pipe BMW X3 F25 X4 F26 Line Hose Brake Servo Unit 7601022

£18.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6799428

BMW Z4 E89 Roadster Cabrio Brake Servo Unit Master Cylinder 6799428

£51.95

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. 6875180

BMW G01 G02 Brake Servo Booster Master Cylinder Module Unit 6875180

£142.95

Free delivery: Aug 04

If paid before 14:00

Part no. 2N0614105A

Volkswagen Crafter Mk2 Brake Master Cylinder Booster 2.0 TDI 2N0614105A

£474.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-DV612B195HB

Ford Transit Connect Mk2 Brake Booster Servo Unit Master Cylinder DV61-2B195-HB

£37.95

Free delivery: Aug 04

If paid before 14:00

Part no. rhd-6872134

Brake Servo BMW F32 Brake Booster Master Cylinder Reservoir 6872134

£75.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-3Q2614019C

Audi A3 8Y Skoda Octavia Mk4 Brake Servo Master Cylinder Reservoir 3Q2614019C

£75.95

Free delivery: Aug 04

If paid before 14:00

Part no. FK72-2B195-CF

Range Rover Evoque L538 Brake Servo Booster Master Cylinder FK72-2B195-CF

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-DV61-2B195-DA

Ford Transit Connect Mk2 Brake Booster Servo Unit Master Cylinder DV61-2B195-DA

£47.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-DV61-2B195-KC

Ford Transit Connect Mk2 Brake Servo Master Cylinder Booster DV61-2B195-KC

£42.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-6R2614105F

Audi A1 8X Brake Servo Master Cylinder Brake Booster Unit 6R2614105F

£51.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-HK72-2B195-AC

Land Rover Discovery Sport L550 Brake Servo Master Cylinder HK72-2B195-AC

£47.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6857870

Brake Servo BMW X3 F25 Booster Unit Master Cylinder Control Unit 6857870

£75.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-5WC614105AB

Volkswagen Golf Mk8 Brake Servo Master Cylinder Booster 5WC614105AB

£142.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-6871459

BMW X3 F25 Brake Servo Master Cylinder Booster Unit Diesel 6871459

£85.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-6854352

BMW X3 F25 X4 F26 Brake Servo Master Cylinder Booster 6854352

£32.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6879422

BMW G20 Brake Servo Master Cylinder Tank Reservoir Booster 6879422

£75.95

Free delivery: Aug 04

If paid before 14:00

Part no. 95835592300

Porsche Cayenne 92A Servo Master Cylinder Brake Booster Unit 7P0612101G

£142.95

Free delivery: Aug 04

If paid before 14:00

Part no. 7P0612101B

VW Volkswagen Touareg 7P Servo Master Cylinder Brake Booster Unit 7P0612101B

£146.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-1K2614105CS

VW Volkswagen Caddy Maxi 2k Brake Servo Master Cylinder 2.0 TDi 1K2614105CS

£61.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-8W2611931L

Audi A5 F5 A4 B9 Brake Servo Vacuum Hose Line Tube Pipe 8W2611931L

£47.95

Free delivery: Aug 04

If paid before 14:00

Part no. 99635502506-1

Porsche Boxster 986 Brake Servo Master Cylinder 2.7 Petrol 99635502505

£32.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6763286

Mini One D R50 W17 Vacuum Hose Pipe Line Diesel Brake Servo 6763286

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-5Q2614105BL

Audi TT FV Brake Servo Unit Master Cylinder 5Q2614105BL

£47.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-5R5614105P

VW Volkswagen Caddy SB Electromechanical Brake Servo Master Cylinder 5R5614105P

£208.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6892203

BMW G20 Brake Servo M Sport Brake Master Cylinder Booster Reservoir 6892203

£32.95

Free delivery: Aug 04

If paid before 14:00

Part no. 8074224

BMW G32 Brake Servo Booster Master Cylinder Braking Unit 8074224

£104.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-HPLA-2B195-AB

Range Rover Sport L494 Brake Servo Master Cylinder Unit HPLA-2B195-AB

£28.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6869016-2

Brake Servo BMW F40 Mini F56 F57 JCW Master Cylinder Brake Booster Unit 6854643

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-5Q2614105AQ

Seat Leon 5F VW Golf VII Brake Servo Booster Master Cylinder 5Q2614105BJ

£37.95

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-EV612K478AC

Ford Transit Connect Mk2 Kuga Brake Fluid Reservoir Expansion Tank EV61-2K478-AC

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. 6882812-1

BMW X1 F48 Brake Servo Unit Master Cylinder Brake Booster Unit 6882812

£66.95

Free delivery: Aug 04

If paid before 14:00

Part no. 1K0945459A

Skoda Octavia II Brake Servo Unit Master Cylinder Expansion Tank 1K0945459A

£13.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-4K0612103F

Audi A6 C8 Brake Servo Booster Master Cylinder 4K0612103F

£142.95

Free delivery: Aug 04

If paid before 14:00

Part no. 7E0612101B

VW Transporter T5 Brake Servo Booster Master Cylinder Unit 2.0 TDI 7E0612101B

£56.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-4K0612103

Audi A6 C8 Brake Servo Booster Master Cylinder 4K0612103 0204J00250

£32.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-5H32-7B464-EB

Land Rover L319 Brake Servo Master Cylinder Brake Booster Unit 5H32-7B464-EB

£142.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-1933869

Ford Mustang Mk6 Brake Servo Pipe Booster Vacuum Hose Tube GR3C-2420-JD

£47.95

Free delivery: Aug 04

If paid before 14:00

Part no. BK21-2B195-BB

Ford Transit Custom Brake Servo Master Cylinder Booster BK21-2B196-BB

£32.95

Free delivery: Aug 04

If paid before 14:00

Part no. 2N0612101

Volskwagen Crafter Sy Brake Servo Master Cylinder 2N0612101

£56.95

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. C1BC-2B195-BA

Ford Fiesta Mk7 ST Brake Servo Master Cylinder 1.6 Petrol C1BC-2B195-BA

£32.95

Free delivery: Aug 04

If paid before 14:00

Part no. 5Q2614105CR

Audi Q2 GA Brake Servo Braking Unit Master Cylinder Booster 5Q2614105CR

£28.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-DV61-2B195-TB

Ford Focus Mk3 Brake Booster Servo Unit Master Cylinder 1.5 TDCi DV61-2B195-TB

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. 98135502530

Porsche Cayman Boxster 982 Brake Servo Master Cylinder Booster 98135502530

£189.95

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. RHD-6R2612041AB

Seat Ibiza 6J FR Brake Servo Vacuum Pipe Hose Line 6R2612041AB

£28.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-5WC614105AA

Audi A3 8Y Volkswagen Golf Mk8 Servo Brake Booster Master Cylinder 5WC614105AA

£379.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-8N2614205

Audi A3 8L TT 8N Brake Servo Brake Booster Master Cylinder Unit 8N2614205

£37.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-95835557800

Porsche Cayenne 92A Brake Servo Vacuum Pipe Hose Line 7P0611932AG

£23.95

Free delivery: Aug 04

If paid before 14:00

Part no. RHD-6G91-2B195-PE

Ford Galaxy MK2 S-Max Brake Master Cylinder Servo 6G91-2B195-PE

£42.95

Free delivery: Aug 04

If paid before 14:00

Part no. A4502900017

Smart Fortwo A451 Brake Master Cylinder Servo Cover Cap Lid Trim 0002236V023

£47.95

Free delivery: Aug 04

If paid before 14:00

Part no. 7P6611931N

VW Volkswagen Touareg 7P Vacuum Pipe Hose Line Brake Servo 3.0 TDI 7P6611931S

£37.95

Free delivery: Aug 04

If paid before 14:00

Part no. 95B612103E

Porsche Macan 95B Brake Servo Booster Master Cylinder Unit 95B612103E

£94.95

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-8K2611931Q

Audi A4 B8 Brake Servo Vacuum Pipe Hose Line 8K2611931Q

£18.95

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

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