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Scion Brake Master Cylinder

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Beck/Arnley 072-9979 Brake Master Cylinder

Beck/Arnley 072-9979 Brake Master Cylinder

Beck/Arnley
Part # BA-072-9979
xB
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$
113.99
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Beck/Arnley 072-9811 Brake Master Cylinder

Beck/Arnley 072-9811 Brake Master Cylinder

Beck/Arnley
Part # BA-072-9811
xA
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$
171.99
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Beck/Arnley 072-9840 Brake Master Cylinder

Beck/Arnley 072-9840 Brake Master Cylinder

Beck/Arnley
Part # BA-072-9840
xA,xB
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$
144.99
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Beck/Arnley 072-0025 Brake Master Cylinder

Beck/Arnley 072-0025 Brake Master Cylinder

Beck/Arnley
Part # BA-072-0025
Yaris,iA,Yaris iA
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$
142.99
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Brake Master Cylinder - Dorman M631057

Brake Master Cylinder - Dorman M631057

Dorman
Part # DB-M631057
FR-S,86
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$
242.99
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Brake Master Cylinder - Dorman M630864

Brake Master Cylinder - Dorman M630864

Dorman
Part # DB-M630864
tC
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$
165.99
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Brake Master Cylinder - Dorman M630815

Brake Master Cylinder - Dorman M630815

Dorman
Part # DB-M630815
xD
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$
158.99
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Brake Master Cylinder - Dorman M630474

Brake Master Cylinder - Dorman M630474

Dorman
Part # DB-M630474
xA,xB
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$
149.99
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Brake Master Cylinder - Dorman M630476

Brake Master Cylinder - Dorman M630476

Dorman
Part # DB-M630476
tC
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$
106.99
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Brake Master Cylinder - Dorman M630147

Brake Master Cylinder - Dorman M630147

Dorman
Part # DB-M630147
Echo,xA
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$
168.99
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Brake Master Cylinder - Raybestos MC391544

Brake Master Cylinder - Raybestos MC391544

Raybestos
Part # RS-MC391544
Yaris,iA,Yaris iA
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$
139.99
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Brake Master Cylinder - Raybestos MC391297

Brake Master Cylinder - Raybestos MC391297

Raybestos
Part # RS-MC391297
xD
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$
130.99
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Brake Master Cylinder - Raybestos MC391298

Brake Master Cylinder - Raybestos MC391298

Raybestos
Part # RS-MC391298
tC
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$
81.99
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Brake Master Cylinder - Raybestos MC391293

Brake Master Cylinder - Raybestos MC391293

Raybestos
Part # RS-MC391293
xD
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$
130.99
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Brake Master Cylinder - Raybestos MC391102

Brake Master Cylinder - Raybestos MC391102

Raybestos
Part # RS-MC391102
xB,tC
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$
93.99
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Brake Master Cylinder - Raybestos MC391086

Brake Master Cylinder - Raybestos MC391086

Raybestos
Part # RS-MC391086
Echo,xA
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$
159.99
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Brake Master Cylinder - Raybestos MC390890

Brake Master Cylinder - Raybestos MC390890

Raybestos
Part # RS-MC390890
xA,xB
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$
160.99
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Brake Master Cylinder - Centric 130.44513

Brake Master Cylinder - Centric 130.44513

Centric
Part # CE-130.44513
tC
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$
188.99
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Brake Master Cylinder - Centric 130.44507

Brake Master Cylinder - Centric 130.44507

Centric
Part # CE-130.44507
xD
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$
146.99
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Brake Master Cylinder - Centric 130.76003

Brake Master Cylinder - Centric 130.76003

Centric
Part # CE-130.76003
A8 Quattro,Sierra 1500,CTS,Xterra,Police Interceptor Utility,W4500 Tiltmaster,W4500 Forward,RS5,238,RS7,3 Sport,Forester,911,FL60,Safrane,Cherokee,R8,Civic,S2524,2
4.6(43)
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$
217.99
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Brake Master Cylinder - Centric 130.44505

Brake Master Cylinder - Centric 130.44505

Centric
Part # CE-130.44505
tC
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$
81.99
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Brake Master Cylinder - Centric 130.44508

Brake Master Cylinder - Centric 130.44508

Centric
Part # CE-130.44508
xD
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$
157.99
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Brake Master Cylinder - Centric 130.61028

Brake Master Cylinder - Centric 130.61028

Centric
Part # CE-130.61028
E-200 Econoline,E-300 Econoline,J20,Falcon,SL63 AMG,G1500,Custom 300,535i GT,Aerobus,E-100 Econoline,PM152-22,Club Wagon,300SEL,1110,AL,AM,AN,230S,Beaumont,Laurentian
4.6(47)
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$
86.99
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Brake Master Cylinder - Centric 130.44506

Brake Master Cylinder - Centric 130.44506

Centric
Part # CE-130.44506
xB
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$
133.99
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Brake Master Cylinder - Centric 130.44524

Brake Master Cylinder - Centric 130.44524

Centric
Part # CE-130.44524
2,Yaris,iA,Yaris iA
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$
147.99
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Brake Master Cylinder - Centric 130.44502

Brake Master Cylinder - Centric 130.44502

Centric
Part # CE-130.44502
Echo,xA
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$
151.99
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Brake Master Cylinder - Centric 130.44514

Brake Master Cylinder - Centric 130.44514

Centric
Part # CE-130.44514
iQ
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$
188.99
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Brake Master Cylinder - Centric 130.44522

Brake Master Cylinder - Centric 130.44522

Centric
Part # CE-130.44522
2,Yaris,iA,Yaris iA
Select Your Vehicle To See Exact Fit Parts
$
138.99
Ships within 24 hours
Brake Master Cylinder - Centric 130.44503

Brake Master Cylinder - Centric 130.44503

Centric
Part # CE-130.44503
xA,xB
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$
156.99
Ships within 24 hours
Beck/Arnley 072-9781 Brake Master Cylinder

Beck/Arnley 072-9781 Brake Master Cylinder

Beck/Arnley
Part # BA-072-9781
tC
Select Your Vehicle To See Exact Fit Parts
$
137.99
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1-30 of 31 Results
Page 1 of 2

What is a car brake master cylinder and what does it do?

A car brake master cylinder plays an important role in the overall balance of the braking system. It is designed to provide equal pressure to all four wheels, which helps ensure that the vehicle stops in a straight line and doesn't pull to one side or the other. It is a hydraulic pump that converts the force applied to the brake pedal by the driver into hydraulic pressure.

Brake master cylinder functions brake master cylinder functions

The main function of the brake master cylinder is to convert the force applied on the brake pedal into hydraulic pressure that is used to actuate the brakes.

When the brake pedal is depressed, it pushes a piston inside the master cylinder which in turn pressurizes the brake fluid in the cylinder. This pressure is then transmitted through the brake lines to the individual brake calipers or wheel cylinders, which then apply the brake pads or shoes to the rotors or drums respectively.

Brake master cylinder diagram

The master cylinder also has two fluid chambers, one for the front brakes and one for the rear brakes, to ensure that the brakes operate independently in case of a leak or failure. It also has a reservoir that holds extra brake fluid and allows for topping up the fluid as needed.

brake master cylinder diagramMaster brake cylinder failure symptoms

A failing master brake cylinder can cause a range of symptoms that affect the braking performance of a vehicle. So if you notice the following signs, you may need a new master brake cylinder:

  • Brake pedal goes to the floor: If the brake pedal goes all the way to the floor with little resistance, it may indicate a problem with the master brake cylinder. This can be caused by a loss of hydraulic pressure or a problem with the seals inside the master cylinder.
  • Brake pedal feels hard: On the other hand, a brake pedal that feels unusually hard or difficult to press down can also indicate a problem with the master brake cylinder. This can be caused by a restriction in the brake lines or a problem with the master cylinder's internal components.
  • Brakes are grabbing or dragging: A failing master brake cylinder can cause the brakes to grab or drag, even when the pedal is not pressed. This can result in reduced fuel economy and increased wear on the brake components.
  • Noisy brakes: A faulty master brake cylinder can cause the brakes to make unusual noises, such as squeaking, squealing, or grinding. This can indicate that the brake pads or rotors are worn, or that there is a problem with the brake calipers.
  • A brake warning light is on: A failing master brake cylinder can cause the brake warning light to come on. This can indicate a problem with the brake system, such as a leak or a loss of hydraulic pressure.

Brake master cylinder replacement steps

Before replacing the brake master cylinder, you need to gather all the necessary tools and equipment. You will need a set of wrenches, pliers, a brake bleeding kit, a container to catch brake fluid, and a new brake master cylinder. After that, follow the steps:

  1. Disconnect the brake lines and wiring harness from the old master cylinder.
  2. Remove the old master cylinder by unscrewing the bolts that secure it to the brake booster.
  3. Install the new master cylinder onto the brake booster and tighten the bolts.
  4. Reconnect the brake lines and wiring harness to the new master cylinder.
  5. Use a brake bleeding kit to bleed the brake lines and remove any air bubbles from the system.
  6. Test the brake pedal to ensure that it feels firm and responsive.
  7. Adjust the pushrod that connects the brake booster to the master cylinder, if necessary.
  8. Check the brake fluid level in the reservoir and top it off if necessary, and you’re recommended to use the type of brake fluid recommended by the vehicle manufacturer.
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