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 S8 D3 Brake Caliper Wheel Braking Unit Rear Right O/S 4E4615404C

£94.95

Part no. 4E0927804F

Audi A4 B7 Front Wheel ABS Speed Sensor Right O/S 4E0927804F

£18.95

Part no. 6R0614517AL

Audi A1 8X VW Polo ABS Pump Control Unit Module 6R0907379BA 6R0614517AL

£13.95

Part no. 8W0612103P

Audi A4 B9 Master Cylinder Brake Booster Servo Reservoir Unit 8W0612103P

£70.95

Part no. 4K0907379M

Audi A6 C8 ABS Pump Control Unit Modulator 3.0 TDI DDVB 4K0907379M

£227.95

Part no. 4G0907379F

Audi A6 C7 Brake Pump ABS Module Hydraulic Control Braking Unit 4G0907379F

£47.95

Part no. 8J0614517F

Audi RS3 8P 2.5 TFSI ABS Hydraulic Brake Pump Control Module Unit 8J0614517F

£237.95

Part no. 8T0907379G

Audi RS5 8T RS4 B8 4.2 FSI Petrol ABS Pump Control Modulator Unit ECU 8T0907379G

£170.95

Part no. 6R0615301B

Audi S1 8X RTS Brake Disc Front Rear Left Right Ventilated Brake Set 6R0615301B

£132.95

Part no. 8E0614517BD

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

£118.95

Part no. 8W0615601E

Audi A5 F5 Brake Disc Rear Left Right N/O/S 330X22MM Set 8W0615601E

£66.95

Part no. RHD-6C2612041J

Audi A1 S1 8X Brake Booster Vacuum Hose Tube Line Pipe 1.0 TFSI 6C2612041J

£37.95

Part no. 8W0615107E

Audi A5 F5 Front Brake Caliper Housing Left N/S 338x30mm 8W0615107E

£137.95

Part no. 8W0615107P

Audi RS5 F5 Wheel Brake Caliper Housing Front Left N/S 375x36 8W0615107P

£332.95

Part no. 8K0907379CE

Audi A4 B8 Brake Pump ABS Module Hydraulic Control Braking Unit 8K0907379CE

£28.95

Part no. RHD-4G2611021A

Audi A6 C7 A7 4G Brake Master Cylinder Unit 2.0 TDI Diesel 4G2611021A

£42.95

Part no. 8W0615108E

Audi A5 F5 Front Brake Caliper Housing Right O/S 338x30mm 8W0615108E

£137.95

Part no. 8W0615108P

Audi RS5 F5 Wheel Brake Caliper Housing Front Right O/S 375x36 8W0615108P

£332.95

Part no. 8S0614517N

Audi TT FV ABS Pump Braking Unit Modulator Valve Block 8S0907379

£284.95

Part no. 8W0907379AS

Audi A5 B9 S5 F5 ABS Pump Modulator DSC Control Hydro Unit 3.0 TDI 8W0907379AS

£322.95

Part no. 80A907379AD

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

£332.95

Part no. 8K9614517R

Audi A4 B8 ABS Pump Hydraulic Brake Pump Control Module 8K9907379G 8K9614517R

£104.95

Part no. 8W0615404

Audi A4 B9 Rear Brake Caliper Housing Brake Unit Right O/S 300X12 8W0615404

£51.95

Part no. 8K0611301A

Audi A4 B8 A5 8T A6 C7 Brake Master Cylinder Reservoir Tank Bottle 8K0611301A

£18.95

Part no. 4G0615123B-1

Audi A8 D4 4H Brake Caliper Front Rear Left Right N/O/S Wheel Brake Unit Set

£854.95

Part no. 5QA614517BA

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

£170.95

Part no. 3C0615124

Audi Q3 F3 Mk3 Brake Caliper Wheel Braking Unit Front Right O/S 3C0615124

£18.95

Part no. 1K0615601AB

Audi A3 8P Rear Axle Brake Disc Left Right N/O/S 235x10mm Set X2 1K0615601AB

£28.95

Part no. 80A615403A

Audi Q5 FY Rear Brake Caliper Housing Left N/S 80A615403A

£32.95

Part no. 8X0615423A

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

Part no. 8K0612107B

Audi A4 B8 Brake Servo Booster Master Cylinder Unit 8K0612107B

Product currently unavailable

Part no. RHD-4F2612105

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

£75.95

Part no. 5Q0615424G

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

£94.95

Part no. 4M0615403F

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

£94.95

Part no. 80A615403D

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

£51.95

Part no. 4M0615404F

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

£94.95

Part no. 1K0615601N-1

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

£42.95

Part no. 8R0907637B

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

£13.95

Part no. 8K0907379BJ

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

£56.95

Part no. 4F0615403E-1

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

£56.95

Part no. 8E0614517J

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

£66.95

Part no. 8J0614517C

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

£132.95

Part no. 4H0614235

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

£18.95

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. 8X0615424B

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

£85.95

Part no. 3Q0615424F

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

£75.95

Part no. 80A615404B

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

£94.95

Part no. 8X0615123D

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

£123.95

Part no. 80A615403B

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

£94.95

Part no. 8W0615403B

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

£32.95

Part no. 8V0614517C

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

£161.95

Part no. RHD-4F2611931AC

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

£23.95

Part no. 8W0615404B

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

£37.95

Part no. 8K0907379P

Audi A5 8T ABS Brake Pump Hydraulic Unit Braking Module 8K0907379P

£28.95

Part no. 6R0615423

Audi A1 8X Rear Brake Caliper Wheel Brake Unit Left N/S 6R0615423

£18.95

Part no. 3C0615123

Audi Q3 F3 Mk3 Brake Caliper Wheel Braking Unit Front Left N/S 3C0615123

£28.95

Part no. 4F0615301E

Audi A6 C6 Front Axle Brake Disc Vented 321X30MM X2 Left Right N/O/S 4F0615301E

£94.95

Part no. 8E0615424B

Audi A4 B6 Rear Brake Caliper Housing Right O/S 8E0615424B

£23.95

Part no. 8E0609721AQ

Audi A4 B7 Parking Brake Bowden Cable Wire Line 8E0609721AQ

£13.95

Part no. 4M0615301BJ

Audi RS3 8Y Wheel Ventilated Brake Disc Front Left Right N/O/S Set 4M0615301BJ

£379.95

Part no. 3Q0615423F

Audi Q3 F3 Brake Caliper Wheel Brake Unit Housing Rear Left N/S 3Q0615423F

£66.95

Part no. 8R0614517BF

Audi Q5 8R ABS Pump Hydraulic Brake Pump Control Module 8R0614517BF

£284.95

Part no. 8W0615404D

Audi RS5 F5 Rear Brake Caliper Housing Brake Unit Right O/S 330x22 8W0615404D

£94.95

Part no. 5WA615424D

Audi A3 S3 8Y Rear Brake Caliper Right O/S Wheel Brake Housing Black 5WA615424D

£165.95

Part no. 8E0615124A

Audi A4 B7 Brake Caliper Front Right O/S Wheel Brake Unit Housing 8E0615124A

£37.95

Part no. 4F0612107E

Audi A6 C6 Brake Servo Booster Master Cylinder Unit 4F0612107E

£23.95

Part no. 8W0615105

Audi S4 B9 S5 8T Front Brake Caliper Housing Black 375X36MM Left N/S 8W0615105

£161.95

Part no. 5Q0614517BK

Audi A3 8V Golf Mk7 ABS Pump Modulator Control Module Hydraulic Unit 5Q0614517BK

£18.95

Part no. 8W0615601C

Audi A4 B9 Rear Brake Disc Left Right N/O/S 300X12mm Set Kit 8W0615601C

£56.95

Part no. 5Q2614105CN

Audi TT FV Brake Servo Brake Master Cylinder Booster ABS Unit Petrol 5Q2614105CN

£28.95

Part no. RHD-8K2611931F

Audi A5 8T MAP Pressure Brake Servo Vacuum Hose Pipe Line Sensor 8K2611931F

£13.95

Part no. 8P0615124A-3

Audi TTS 8J S3 8P Front Brake Caliper Housing Carrier Right O/S Black 8P0615124A

£113.95

Part no. 4G0615403A-1

Audi A6 A7 4G8 Brake Caliper Wheel Braking Unit Rear left N/S 4G0615403A

£94.95

Part no. 4H0615403

Brake Caliper Audi A8 4H Rear Wheel Braking Unit Left N/S 4H0615403

£18.95

Part no. 8K0614517BQ

Audi A5 8T Brake Pump ABS Module Hydraulic Control Braking Unit 8K0614517BQ

£18.95

Part no. 6C0614517F

Audi A1 8X Brake Pump ABS Module Control Braking Unit 6R0907379A 6R0907379BA

£61.95

Part no. 8J0611931L

Audi TT 8J Vacuum Pipe Brake Booster Servo Line Hose 8J0611931K

£32.95

Part no. 8E0910517D

Audi A4 B7 ABS Pump Control Module Unit 8E0910517D 8E0614517AK

£28.95

Part no. 8W0615301P-1

Audi A5 F5 Brake Caliper Front Left Right N/O/S Wheel Brake Unit Set 8W0615301P

£66.95

Part no. 4F0615124-1

Audi A4 B7 Front Brake Caliper Right O/S Wheel Braking Unit 4F0615124

£32.95

Part no. RHD-5WC614105BB

Audi A3 8Y 30 TFSI DXDE Brake Servo Booster Master Cylinder 5WC614105BB

£132.95

Part no. 8T0615124B

Audi A5 S5 8T Front Brake Caliper Housing Right O/S 8T0615124B

£113.95

Part no. 4G0614517AK

Audi A6 C7 Brake Pump ABS Module Hydraulic Control Braking Unit 4G0614517AK

£94.95

Part no. RHD-8W2611931Q

Audi A5 F5 S5 F5 Brake Booster Vacuum Pipe Hose Line 8W2611931Q

£13.95

Part no. 8K0615124F

Audi A4 B8 Front Brake Caliper Right O/S Wheel 8K0615124F

£18.95

Part no. 8K0907379J

Audi A5 8T ABS Pump ABS Brake Control Module ECU 8K0907379J 0265235192

£80.95

Part no. 4F0910517AK

Audi A6 C6 ABS ESP Pump Hydraulic Block Control Unit 4F0910517AK 4F0614517BF

£56.95

Part no. 8Y0614517D

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

£664.95

Part no. RHD-5WC614105AG

Audi RS3 8Y VW Golf Mk8 Brake Servo Master Cylinder Booster 5WC614105AG

£189.95

Part no. RHD-4K2611931AA

Audi A6 C8 Brake Servo Vacuum Pipe Line Hose 3.0 TFSI 4K2611931AA

£94.95

Part no. 80A615404C

Audi Q5 FY Rear Brake Caliper Wheel Braking Unit Right O/S 80A615404C

£156.95

Part no. 8U0615404B

Audi Q3 8U Brake Caliper Wheel Braking Unit Rear Right O/S 8U0615404B

£37.95

Part no. RHD-80C612107

Audi Q5 FY Brake Sevo Master Cylinder Fluid Tank ReservoirUnit 80C612107

£142.95

Part no. 4H0614517B

Audi A8 D4 ABS Pump Module Brake Hydraulic Control Unit 4H0907379

£37.95

Part no. RHD-424612105

Audi R8 42 Spyder Brake Servo Master Cylinder Unit 4.2 Petrol Engine 424612105

£66.95

Part no. 5N0612041BN

Audi Q3 8U Vacuum Hose Pipe Line Tube Check Valve Non-Return Valve 5N0612041BN

£94.95

Part no. 420614517C

Audi R8 42 ABS Pump Control Unit ESP 420614517C

£360.95

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