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.

More information

Find it faster

Match to your vehicle

Make

Audi A4 B8 A5 8T ABS Hydraulic Pump Control Module 8K0907379BF 8K0614517ED

£37.95

Part no. 8V0615124

Brake Caliper Audi S3 8V VW Golf Mk7 Front Right O/S Carrier 8V0615124

£18.95

Part no. 6N1611349B

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

£13.95

Part no. 8W0615403H

Audi A5 S5 Q5 Sportback S4 B9 Brake Caliper Rear Left N/S Braking 8W0615403H

£108.95

Part no. 8W0907379BG

Audi A4 B9 Brake Pump ABS Module Hydraulic Control Braking Unit 8W0907379BG

£332.95

Part no. 4H0614517R

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

£113.95

Part no. 4H0615404

Brake Caliper Audi A8 D4 Rear Wheel Braking Unit Right O/S 4H0615404

£66.95

Part no. 8R0907379AP

Audi Q5 SQ5 8R Brake Pump ABS Module Hydraulic Control Braking Unit 8R0907379AP

£23.95

Part no. 7L6615149-1

Audi Q7 4L Brake Caliper Housing Brembo Left N/S Brake Unit Caliper 7L6615149

£237.95

Part no. 6C0614517S

Audi A1 S1 8X ABS Pump Modulator Control Unit 6C0614517S 6C0907379S

£32.95

Part no. 8K0615403E-1

Audi A5 8T Brake Caliper Rear Left N/S Wheel Brake Unit 8K0615403E

£42.95

Part no. 4G0615123C

Audi A6 C7 Brake Caliper Front Left N/S Wheel Braking Unit 4G0615123C

£18.95

Part no. 8K0615123E

AUDI Q5 8R Brake Caliper Front Left N/S Caliper Carrier 8K0615123E

£28.95

Part no. 4F0615403F

Audi A6 C6 Rear Brake Caliper Wheel Brake Housing Left N/S 4F0615403F

£37.95

Part no. 8K0615124E

AUDI Q5 8R Brake Caliper Front Right O/S Caliper Carrier 8K0615124E

£23.95

Part no. 8E0615423G

Audi A4 B7 Rear Brake Caliper Housing Carrier Left N/S 245x10mm 8E0615423G

£28.95

Part no. WHT003860

Audi A3 8V Wheel ABS Speed Sensor Front Right O/S WHT003860

£13.95

Audi A3 8V ABS Pump Modulator Control Module Hydraulic Unit 5Q0614517CT

-2%

Part no. 5Q0614517CT

Audi A3 8V ABS Pump Modulator Control Module Hydraulic Unit 5Q0614517CT

Promo price

£28.95

£28.45

Part no. 7L8615423A

Audi Q7 4L Rear Brembo Brake Housing Left N/S Caliper 358x28mm 7L8615423A

£89.95

Part no. 5N0614109AS

Audi Q3 8U 2.0 TDI ABS Pump Control Module Hydraulic Unit ECU 5N0614109AS

£75.95

Part no. 4F0614517AC

Audi A6 C6 ABS ESP Pump Hydraulic Block Control Unit 4F0614517AA 4F0910517AD

£23.95

Part no. 8W0615403

Audi A4 B9 Rear Brake Caliper Housing Brake Unit Left N/S 300X12 8W0615403

£51.95

Part no. 5N0614109AE

Audi Q3 8U Abs Pump Control Module Unit 5N0614109AE

£37.95

Part no. 8W0615404B-1

Audi S5 F5 Rear Brake Caliper Housing Brake Unit Right O/S 330x22 8W0615404B

£47.95

Part no. 4G0614517AB

Audi A7 4G Brake Pump ABS Module Hydraulic Control Unit 4G0614517AB 4G0907379M

£218.95

Part no. 4F0615404E

Audi S6 C6 Rear Brake Caliper Wheel Braking Unit Right O/S 4F0615404E

£32.95

Part no. 8X0615423B

Audi A1 S1 8X Brake Caliper Wheel Braking Unit Rear Left N/S 8X0615423B

£75.95

Part no. 4E0615123A

Audi A4 B7 B8 Front Brake Caliper Housing Carrier Left N/S 4E0615123A

£28.95

Part no. 8K0611357

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

£13.95

Part no. 8K0612107D

Audi A5 Power Brake Servo Unit Master Cylinder 8K0612107D

£37.95

Part no. RHD-5N2614106A

Audi Q3 8U Quattro 2.0 TDI Brake Booster Master Cylinder 5N2614106A 5N2614105H

£85.95

Part no. 4G0907379Q

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

£199.95

Part no. 4G0615123C-1

Audi A6 C7 Front Brake Caliper Wheel Braking Unit Left N/S 4G0615123C

£13.95

Part no. 8E0907637C

Audi A4 B7 Rear Acceleration Sensor ESP Module Control Unit ECU 8E0907637C

£13.95

Part no. 8S0615108C

Audi TT TTS 8S FV Front Brake Calliper Housing Right Black 338x30mm 8S0615108C

£237.95

Part no. 7L0927808B

Audi Q7 4L Wheel ABS Speed Sensor Brake Unit Front Rear Right O/S 7L0927808B

£18.95

Part no. 8K0907379CL

Audi A5 8F ABS Pump Modulator Hydraulic Control Brake Unit 8K0907379CL

£28.95

Part no. 8W0615108G

Audi A5 S5 Front Brake Caliper Housing Right O/S 8W0615108G

£265.95

Part no. 4G0615403

Audi A6 C7 Brake Caliper Wheel Brake Unit Rear Left N/S 4G0615403

£47.95

Part no. 4K0615108H

Audi A6 C8 3.0 TFSI Brake Caliper 375X36MM Front Right O/S 4K0615106BD

£379.95

Part no. 4G0615404

Audi A6 C7 Brake Caliper Wheel Brake Unit Rear Right O/S 4G0615404

£47.95

Part no. 4G0907379L

Audi A6 C7 A7 4G Brake Pump ABS Module Hydraulic Control Braking Unit 4G0907379L

£66.95

Part no. 8K0615123F

Audi A4 B8 Front Housing Brake Caliper Left N/S Wheel 8K0615123F

£23.95

Part no. 4L0614517A

Audi Q7 4L ABS Brake Pump Hydraulic Braking Control Unit 4L0614517A

£156.95

Part no. 8K0615124B

Audi A5 8T Front Brake Caliper Carrier Housing Right O/S 8K0615124B

£18.95

Part no. 83A615107A

Audi RS3 8Y Front Brake Caliper Housing 374X36mm Left N/S Black 83A615105M

£284.95

Part no. 4B0615124

Audi A6 C6 FL Brake Caliper Front Right O/S Wheel Braking Unit 4B0615124

£23.95

Part no. 8U0615403B

Audi Q3 8U Rear Brake Caliper Wheel Braking Unit Left N/S 8U0615403B

£32.95

Part no. RHD-1K2614105BC

Audi A3 S3 8P Brake Servo Booster Master Cylinder Braking Unit 1K2614105BC

£42.95

Part no. 8J0615424E-1

Audi S3 8P Rear Brake Caliper Housing Carrier Right O/S 310x22mm 8J0615424E

£94.95

Part no. 8K0907379AL

Audi A4 B8 Brake Pump ABS Module Hydraulic Control Braking Unit 8K0907379AL

£18.95

Part no. 5Q2614105CP

Audi A3 8V Diesel Brake Servo Brake Master Cylinder Booster ABS Unit 5Q2614105CP

£56.95

Part no. 8K0615123H

Audi A5 8T Front Brake Caliper Housing Left N/S 8K0615123H

£51.95

Part no. 8K0615124H

Brake Caliper Audi A4 B8 A5 8T Wheel Braking Unit Front Right O/S 8K0615124H

£28.95

Part no. 8K0614517EF

Audi A4 B8 ABS Pump Modulator Braking Control Unit Module 8K0614517ED

£28.95

Part no. 1K0615424N-1

Audi A3 8P VW Golf Mk5 Rear Brake Caliper Wheel Brake Unit Right O/S 1K0615424N

£18.95

Part no. 8K9614517AL

Audi A4 B8 ABS Hydro Control Unit Brake Pump Control Unit 8K9614517AL

£275.95

Part no. 8W0615107AJ-1

Audi S4 B9 S5 F5 Front Brake Caliper Housing 375x36mm Black Left N/S 8W0615107AJ

£332.95

Part no. 8J0611931D

Audi TT 8J Brake Servo Vacuum Pipe Line Hose 8J0611931D

£18.95

Part no. 4K0615108F

Audi A6 C8 2019 Brake Caliper Without Brake Pads Front Right O/S 4K0615108F

£303.95

Part no. 8K0615301A

Audi Q5 8R Front Brake Wheel Disc Left Right N/O/S 320X30MM 5X112 Set 8K0615301A

£47.95

Part no. 4K0615106AE

Audi A6 C8 Front Brake Caliper Housing Left Right N/O/S Set HN29097 HN29098

£607.95

Part no. RHD-4H2611931B

Audi A8L 4H 3.0 TDI CDTA Brake Vacuum Pipe Pressure Sensor 4H2611931B

£13.95

Part no. 80A615107

Audi Q5 FY Front Brake Caliper Wheel Brake Unit Left N/S 80A615107

£180.95

Part no. 5Q0615423E-1

Audi Q2 GA Rear Brake Caliper Brake Unit Left N/S 5Q0615423E

£42.95

Part no. RHD-8J2614119B

Audi TT 8J Mk2 Quattro ABS Brake Pump Bracket Holder Mount 8J2614119B

£13.95

Part no. RHD-6R2614105F

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

£28.95

Part no. RHD-8K2611931M

Audi A5 8T MAP Pressure Brake Servo Vacuum Hose Pipe Line 8K2611931M

£18.95

Part no. 1K0907379D

Audi A3 8P ABS Anti Brake Lock Pump Brake Modulator Control Unit 1K0907379D

£18.95

Part no. RHD-4G2612103F

Audi A6 C7 A7 4G Brake Servo Booster Master Cylinder Unit 4G2612103F

£37.95

Part no. 80A615107-1

Audi Q5 FY Front Brake Caliper Housing Left N/S 80A615107

£142.95

Part no. 8E0927804F

Audi A4 B8 A5 8T Genuine Rear ABS Sensor 8E0927804F

£18.95

Part no. 8J0615601A

Audi TT 8J Brake Disc Set Rear Left Right N/O/S Perforated Wheel Disc 8J0615601A

£94.95

Part no. RHD-5Q2614105BL

Audi TT FV Brake Servo Unit Master Cylinder 5Q2614105BL

£28.95

Part no. 83A907379

Audi Q3 F3 Brake Pump ABS Module Hydraulic Control Braking Unit 83A907379

£142.95

Part no. 8E0910517J

Audi A4 B7 Brake Pump ABS Module Hydraulic Control Braking Unit 8E0910517J

£23.95

Part no. 8S0907379B

Audi TT FV Brake Pump ABS Module Hydraulic Control Braking Unit 8S0907379B

£199.95

Part no. 4G0615403A

Audi A6 C7 A7 4G Brake Caliper Rear Left N/S Wheel Brake 330x22 5/112 4G0615123D

£37.95

Part no. 4M0615301AB

Audi S4 B9 Wheel Ventilated Brake Disc Front Left Right N/O/S Set 4M0615301AB

£161.95

Part no. 4M0615312G

Audi S4 B9 Q5 FY Brake Disc Plate Front Right O/S Protection Trim 4M0615312G

£28.95

Part no. 4G0615124B

Audi A8 D4 Brake Caliper Front Right O/S Wheel Braking Unit 4G0615124B

£94.95

Part no. 8K0907379AF

Brake Pump ABS Audi A4 B8 A5 8T Module Control Braking Unit 8K0907379AF

£18.95

Part no. 5Q0615405CK

Audi TT FV Rear Brake Caliper Brake Electric Unit Left N/S 5Q0615405CK

£13.95

Part no. 5Q0615406CK

Audi TT FV Rear Brake Caliper Brake Electric Unit Right O/S 5Q0615406CK

£18.95

Part no. 8V0615123A

Brake Caliper Audi A3 8V TT FV Front Wheel Brake Unit Red Left N/S 8V0615123A

£37.95

Part no. RHD-5Q2614105BM

Seat Leon Mk3 5F Brake Braking Servo Booster Master Cylinder Unit 5Q2614105BS

£28.95

Part no. 8V0615124A

Brake Caliper Audi A3 8V TT FV Front Wheel Brake Unit Red Right O/S 8V0615124A

£13.95

Part no. 8K0614517BF

Audi A4 B8 ABS Pump Modulator Braking Control Unit Module 8K0614517EF

£61.95

Part no. RHD-4K0612103F

Audi A6 C8 Brake Servo Booster Master Cylinder 4K0612103F

£142.95

Part no. 4H0615601Q-2

Audi A8 D4 Rear Left Right N/O/S Wheel Ventilated Brake Disc Set EBC TGDV1846

£94.95

Part no. 5Q0614517BJ

Audi A3 8V 1.6 TDI ABS Pump Modulator Control Unit 5Q0614517BJ

£28.95

Part no. 8W0615404M

Audi A4 B9 8W Brake Caliper Wheel Braking Unit Rear Right O/S 300X12 8W0615404M

£85.95

Part no. 5N0614109CA

Audi Q3 8U ABS Pump Wheel Braking Control Unit Module 5N0614109CA

£142.95

Part no. 8K0615123A

Audi S4 B8 Brake Caliper Wheel Brake Unit Front Left N/S 8K0615123A

£108.95

Part no. 8V0615123F

Audi A3 S3 8Y Brake Caliper Front Left N/S Wheel Brake Unit Red 8V0615123F

£132.95

Part no. RHD-4K0612103

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

£32.95

Part no. RHD-4H2611931H

Audi A8 D4 Brake Vacuum Pipe Pressure Sensor 3.0 TDI Diesel Engine 4H2611931H

£32.95

Part no. 7L6615424L-3

Audi Q7 4L Brake Caliper Brake Unit Rear Right O/S 7L6615424L

£56.95

Part no. 5Q0614517FA

Audi A4 B8 ABS Pump Modulator Hydraulic Brake Control Unit 5Q0614517FA

£56.95

...

Showing 100-198 of 862 products