What is the construction and purpose of the braking system and parts?

The braking system and parts are a set of elements responsible for reducing speed and stopping the vehicle. It includes, among others, discs, pads, calipers, lines, a brake master cylinder, and ABS control modules. Individual elements are located at the wheels, in the engine compartment, and in the car's hydraulic installation.

What are the braking system and parts used for?

The braking system and parts are used for controlled speed reduction and maintaining car stability during braking. Their task is to transfer force from the brake pedal to the wheels and convert motion energy into heat through friction. Without properly selected elements, the braking distance increases, and the operation of support systems may be limited.

What is the construction and function of a brake caliper?

A brake caliper is an element mounted at the hub and disc, whose task is to press the pads against the braking surface. A typical caliper consists of a body, a piston or pistons, guide pins, seals, and a bleeder screw. Depending on the version, it may work with a carrier, wear sensor, or parking brake mechanism.

How to select brake parts for a specific car?

It is safest to compare the OEM number, VIN, disc diameter, working thickness, mounting side, and caliper type. It is also worth checking if the car has ABS, ESP, an electric parking brake, or different axle variants in one model generation.

What symptoms indicate wear of braking system elements?

Typical symptoms include squeaking during braking, steering wheel vibrations, the car pulling to one side, a soft brake pedal, or an illuminated ABS warning light. Uneven caliper operation, fluid leaks, and disc overheating after a short drive may also indicate wear.

How does the installation and inspection proceed after replacing brake parts?

After installing the parts, you should check the mounting points, line routing, caliper freedom of movement, and brake fluid level. Then, the system is bled, checked for leaks, and a test drive is performed to assess braking uniformity and the operation of support systems.

Braking system and parts

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

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Audi A1 S1 8X Brake Caliper Wheel Braking Unit Rear Left N/S Red 8X0615423A

£89.95

Part no. 5Q0615423G

Audi RSQ3 F3 Brake Caliper Braking Unit Rear Left N/S 5Q0615423G

£94.95

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Volkswagen Golf Mk5 Audi A3 8P Rear Brake Caliper Housing Right O/S 1K0615424K

£32.95

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Skoda Rapid NH1 ABS Pump Wheel Braking Control Unit Module 6R0614517BQ

£32.95

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Porsche Cayenne 92A Brake Caliper Braking Unit Housing Rear Left N/S 7P0615423

£113.95

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BMW F40 Mini F54 Brake Servo Booster Master Cylinder Unit 6872071

£18.95

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Volkswagen Golf Mk7 Brake Master Cylinder Reservoir 502611301F

£13.95

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Audi A4 B8 Brake Servo Booster Master Cylinder Unit 8K0612107B

Product currently unavailable

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Audi A6 C6 4F Brake Servo Booster Master Cylinder 2.0 TDI 4F2612105

£75.95

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Brake Caliper Set BMW F06 F12 F13 Front Rear Left Right N/O/S M Sport

£408.95

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Audi RSQ3 F3 Brake Caliper Braking Unit Rear Right O/S 5Q0615424G

£94.95

Part no. GK312B195CD

Ford Transit Mk8 Brake Booster Servo Unit Master Cylinder GK31-2B195-CD

£37.95

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Audi Q7 4M Rear Brake Caliper Housing Braking Unit 350X2 Left N/S 4M0615403F

£94.95

Part no. 6891273-1

BMW G20 G30 M Front Brake Caliper Sport Left N/S Brake Housing Carrier 44/348/36

£222.95

Part no. RHD-5A205D5

BMW X2 U10 iX2 X1 U11 Mini F66 Brake Servo Cylinder Booster Unit 5B6C546 5A205D5

£503.95

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Audi Q5 FY Rear Brake Caliper Housing 330x22mm Left N/S 80A615403D

£51.95

Part no. A0004232681-1

Mercedes W176 AMG Line Brake Braking Caliper Unit Rear Right O/S A0004232681

£18.95

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Mercedes Vito W447 Brake Caliper Rear Right O/S Braking Unit A4474208100

£28.95

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Ford Transit Custom Mk8 Rear Left Brake Caliper Braking Unit BK21-2553-BB

£23.95

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Audi Q7 4M Rear Brake Caliper Housing Braking Unit 350X2 Right O/S 4M0615404F

£94.95

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Seat Ibiza 6J 3D Rear Bumper Guide Rail Middle Carrier Bracket 6J3807863

£13.95

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Ford Transit Custom ABS Sensor Assy Drive Shaft Support Cable Wire BK21-2B372-AC

£13.95

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Mercedes W251 Brake Servo Master Cylinder Unit A2514301030

£47.95

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Ford Ranger Mk4 ABS Pump Brake Modulator Unit 2.5 Diesel 1715411 1454540

£61.95

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Audi A3 8P Rear Brake Disc Left Right N/O/S 310x22mm Set Kit X2 1K0615601N

£42.95

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Mini Countryman F60 ABS Hydro Braking Control Unit Pump Module 7916193

£265.95

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VW Volkswagen Golf Mk7 R Brake Disc Caliper Front Rear Left Right N/O/S Set

£142.95

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Toyota Corolla E12 Brake Servo Master Cylinder 1.6 Petrol Engine 4720109040

£56.95

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Audi A5 8T Rear Acceleration Sensor ESP Module Control Unit ECU 8R0907637B

£13.95

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BMW F20 F21 F22 F23 F30 F32 DSC ABS Braking Hydro Unit Pump 6875815 6875816

£237.95

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BMW G20 G21 G22 G23 G28 G42 DSC Pulse Generator Sensor Rear Axle 6894815

£18.95

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BMW F40 Brake Servo Master Cylinder Unit 6872071

£18.95

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Ford Transit Mk8 Brake Pedal Switch Stop Light Sensor GL3T-9G854-BA

£13.95

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Mercedes R171 Master Cylinder Brake Booster Servo Reservoir Unit A0054306630

£13.95

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Porsche Cayenne 955 9PA Rear Brake Caliper Housing Left N/S 95535242132

£127.95

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Audi A5 8T ABS Pump Control Hydraulic Brake Unit Modulator 8K0907379BJ

£56.95

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Audi S6 C6 Rear Brake Caliper Wheel Brake Housing Left N/S 4F0615403E

£56.95

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Rear Brake Caliper BMW F10 F12 M Sport Left N/S Brake Housing Carrier 44/24

£56.95

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BMW 5 6 Series E60 E61 M5 E63 M6 Front Left N/S Brake Caliper Housing Carrier

£142.95

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Mini F66 JCW Brake Caliper Housing Front Left N/S Red 8848837

£284.95

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Porsche Macan 95B Brake Servo Booster Master Cylinder Unit 95B612103AF

£70.95

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Mercedes W205 Brake Pump ABS ESC Hydraulic Unit Module A2534312800 A2539011400

£37.95

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Mercedes W212 Handbrake Parking Brake Cable Line Rear A2124200285

£13.95

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Audi A4 S4 B7 4.2 BBK ABS ESP Pump Control Module 8E0614517J

£66.95

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Ford Kuga C394 Brake Servo Brake Booster Master Cylinder Unit 9V41-2B195-AD

£66.95

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Citroën C4 Grand Picasso Brake Servo Master Cylinder 1.6 Diesel 9684423880

£47.95

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Audi TT RS 8J ABS Pump Hydraulic Control Unit Brake Module 8J0614517C

£132.95

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Mini F66 JCW Brake Caliper Housing Front Right O/S Red 8848838

£284.95

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BMW F20 F22 Brake Disc Front Left Right N/O/S Ventilated Brake Disc Set 284X22

£104.95

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Range Rover Sport L494 Brake Caliper Brembo Front Right O/S LR156209

£170.95

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

£13.95

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Porsche Cayenne 92A Handbrake Parking Brake Motor Rear Right O/S 95835209201

£113.95

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Mercedes W164 W251 Rear Brake Disc Adjuster Parking Brake Unit A1644200082

£13.95

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Ford Fiesta Mk8 Rear Brake Caliper Housing Left N/S H1BC-2553-A

£56.95

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Smart ForTwo C453 Front Brake Caliper Housing Braking Unit Right O/S A4534210211

£28.95

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BMW G01 G02 G30 G31 ABS DSC Module Pump ECU Hydro Unit 6892274 6892275

£156.95

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Porsche Cayenne 92A Brake Caliper Braking Unit Housing Rear Right O/S 7P0615424

£113.95

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Audi A8 D4 ABS Pump Bracket Braking Unit Mount Holder Support 4H0614235

£18.95

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Ford Fiesta Mk8 Rear Brake Caliper Housing Right O/S 2426546

£56.95

Part no. 8U0615107-SET

Audi Rs Q3 8u Brake Caliper RS Housing Front Left Right N/O/S 8U0615107 Set

£664.95

Part no. 4E0614517CP

Audi A8 D3 ABS Pump Modulator 3.2 V6 Petrol 4E0910517J 4E0614517CP

£332.95

Part no. 46857734

Fiat Ducato ABS Braking Pump Control Unit Module 2.2 Diesel 46857734

£284.95

Part no. 8X0615424B

Audi A1 S1 8X Brake Caliper Wheel Braking Unit Rear Right O/S 8X0615424B

£85.95

Part no. A4534210011

Smart Fortwo A453 Front Brake Caliper Housing Braking Unit Left N/S A4534210111

£37.95

Part no. 3Q0615424F

Audi Q3 F3 Brake Caliper Wheel Brake Unit Housing Rear Right O/S 3Q0615424F

£75.95

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Mercedes W907 Brake Caliper Rear Right O/S Wheel Brake Unit A9074230900

£66.95

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Brake Booster Mini F45 F60 Master Vacuum Line 8607937

£13.95

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VW Volkswagen Golf 8 1.0 TSI DLAA ABS Pump Modulator Bracket Mount 5WA614235A

£13.95

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Land Rover Discover Sport L550 Brake Master Cylinder Primary Pipe LR005261

£13.95

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Land Rover Discovery Sport L550 Rear Wheel ABS Speed Sensor Unit FK72-2C190-AE

£23.95

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Audi SQ5 FY Rear Brake Caliper Wheel Braking Unit Right O/S 80A615404B

£94.95

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Audi S1 8X Front Axle Brake Caliper Braking Unit 310X25 Left N/S 8X0615123A

£123.95

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Mercedes W204 W212 Parking Brake Rear Subframe Carrier A2044210006

£18.95

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Land Rover Discovery Sport Rear Brake Disc Plate Carrier Right O/S FK72-2C028-AD

£28.95

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Audi SQ5 FY Rear Brake Caliper Wheel Braking Unit Left N/S 80A615403B

£94.95

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Mercedes W204 Brake Caliper Front Right O/S Wheel Brake TRW 288X25 A2044212281

£13.95

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ABS Pump Mercedes ML W166 Hydraulic Brake Pump Module A1669013400

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

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Mini F55 DSC ABS Pump Modulator Brake Control Hydraulic Unit 5A374A2

£66.95

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Land Rover Discovery 4 L319 Hydraulic ABS Pump Control Module 3.0 CH32-2C405-AD

£28.95

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BMW X5 E70 Handbrake Cable Left N/S Parking Hand Brake Bowden Cable 6772103

£18.95

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Volkswagen Caddy Mk3 Wheel Brake Caliper Housing Rear Left N/S 2K5615423A

£28.95

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Seat Ateca Brake Disc Caliper Front Rear Left Right N/O/S Set 5Q0615301F

£113.95

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Volkswagen Touran 1T Brake Servo Sensor Control Unit 1K0945459

£13.95

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BMW E84 E87 LCI E90 E91 E93 Rear Wheel Ventilated Brake Disc 6864901 Set

£56.95

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Mercedes W204 W211 Brake Booster Unit Vacuum Pipe Line A2044302129

£28.95

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Audi A4 B9 S5 F5 Rear Brake Caliper Housing Left N/S 8W0615403B

£32.95

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Audi A3 8V Brake Pump ABS Module Hydraulic Control Unit 8V0614517C

£161.95

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Ford Puma Mk2 CF7 ST Brake Servo Master Cylinder M1TC-2B195-BA

£75.95

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BMW G01 G02 G11 G20 G30 Brake Sensor M Sport Brakes Pedal Travel Sensor 6855309

£13.95

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Toyota Hilux Mk7 Brake Servo Booster Master Cylinder Unit 472000K540

£113.95

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Ford S-Max Brake Servo Vacuum Pipe Hose Tube Line 2.2 Diesel 8G91-2420-BME

£28.95

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Mercedes-Benz E-Class W210 Handbrake Parking Brake Bowden Cable A2104201985

£13.95

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BMW X3 G01 M F97 X4 G02 M F98 Brake Caliper Housing Blue Rear Left N/S 6887410

£332.95

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Audi S6 C6 Brake Vacuum Pipe Hose Line Tube Return Valve 4F2611931AC

£23.95

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VW Volkswagen Touareg 7P Brake Servo Unit Master Cylinder Assembly 7P5612101H

£28.95

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Mercedes W205 Brake Pump ESP ABS Hydraulic Control Unit Module A2059005347

£199.95

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Volkswagen Caddy Mk3 Wheel Brake Caliper Housing Rear Right O/S 2K5615424A

£32.95

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ABS Pump Mercedes C118 W177 Hydraulic Brake ESP Control Unit A1779007805

£37.95

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