The master cylinder transforms the mechanical pressure exerted by your foot on the brake pedal into hydraulic pressure. This pressure acts on the pistons in brake calipers and wheel cylinders to force the brake pads and shoes against the brake rotors and drums, to stop the vehicle. The pistons in the master cylinder and calipers/wheel cylinders are sized according to hydraulic principles to provide the necessary force at the wheel brake assemblies.

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    • (0 reviews)
      # sp7839
      Brake Master Cylinder by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the 1950’s, brand...
      High quality at an affordable priceExpertly made from premium materials
      $22.35 - $257.06
    • (0 reviews)
      # sp11852
      Professional™ Durastop Brake Master Cylinder by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...
      Engineered to exacting tolerances for outstanding performanceBuilt to fit most cars on the road today
      $17.89 - $367.98
    • (0 reviews)
      # sp5555
      Brake Master Cylinder by Motorcraft®. If you need to replace a leaking or failed master cylinder, Motorcraft has the right product for you. Engineered specifically for your Ford, Lincoln, or Mercury model, this brake master...
      Application specificRecommended by Ford Motor Company
      $3.54 - $1,129.29
    • (1 review)
      # sp32362
      Professional Grade™ Brake Master Cylinder by Raybestos®. Professional Grade New Master Cylinders give technicians a NEW part that fits each application as well as the original. Delivers everything you need to get the job done;...
      Materials and Design Match OE: Vehicle specific designs (cast iron or aluminum); no stress on the brake booster mountingDependable Operation and Leak-free Performance: 100% pressure tested; meet SAE J1153 and J1154 requirements for reliability and performance
      $19.01 - $266.40
    • (0 reviews)
      # sp10317
      GM Original Equipment™ Brake Master Cylinder by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $44.39 - $497.70
    • (3 reviews)
      # sp4646
      C-Tek™ Standard Brake Master Cylinder by Centric®. Replace your leaking or failed master cylinder with this high quality, value priced replacement.
      Delivers required force for effective braking powerDesigned to meet OE specifications
      $19.97 - $65.69
    • (7 reviews)
      # sp4652
      Premium Brake Master Cylinder by Centric®. Manufactured to OE and OES standards, this cylinder easily restores the braking system building the required amount of hydraulic pressure that is necessary for braking a vehicle. It comes...
      Designed to match OE quality, configuration, and fitmentMeets OE and OES standards and specifications
      $13.69 - $1,139.54
    • (0 reviews)
      # sp32356
      Professional Grade™ Brake and Clutch Master Cylinder Assembly by Raybestos®. Professional Grade New Master Cylinders give technicians a NEW part that fits each application as well as the original. Delivers everything you need to...
      Materials and Design Match OE - Vehicle specific designs (cast iron or aluminum); no stress on the brake booster mountingDependable Operation and Leak-free Performance - 100% pressure tested; meet SAE J1153 and J1154 requirements for reliability and performance
      $50.07 - $102.85
    • (0 reviews)
      # mpn4436904626
      GM Original Equipment™ Power Brake Booster with Brake Master Cylinder by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $976.06
    • (0 reviews)
      # sp7284
      Brake Master Cylinder by Cardone®. CARDONE Select Engineered (CSE) Technology ensures that all master cylinders meet or exceed O.E. form, fit and function. Life-cycle testing ensures that every master cylinder exceeds S.A.E. stroke...
      100% tested to guarantee proper functionThe finest quality at a great price
      $15.77 - $1,989.64
    • (0 reviews)
      # sp7291
      Remanufactured Electronic Brake Assembly by Cardone®. Are your brakes making noise? Is your vehicle’s stopping power not what it used to be? Brake repairs are not something that can be put off, but before you waste your time and...
      100% tested to guarantee proper functionThe finest quality at a great price
      $466.19
    • (8 reviews)
      # sp4373
      Brake Master Cylinder by Dorman®. Dorman’s Brake Master Cylinders are suitable for a broad spectrum of vehicle applications. Dorman also offer a comprehensive line of Master Cylinder Repair Kits and Master Cylinder replacement...
      All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluidDirect replacement for a proper fit
      $26.92 - $350.65
    • (0 reviews)
      # sp9296
      Brake Master Cylinder by Wagner®. Wagner® Brake products deliver improved OE-design products to the aftermarket giving you the capability to repair and improve a brake system with the finest products possible.
      Innovative engineeringExtensive field testing
      $17.04 - $1,033.12
    • (1 review)
      # sp13528
      Brake Master Cylinder by Right Stuff Detailing®. For 25 years, The Right Stuff Detailing has been manufacturing and distributing Brake and Fuel systems for classic cars. Specializing in brake lines, fuel lines and disc brake...
      Precision engineered for your vehicleTested to outperform all comparable products on the market
      $46.31 - $93.56
    • (0 reviews)
      # sp5414
      Brake Master Cylinder by Advics®. Building the required amount of hydraulic pressure that is necessary for braking a vehicle, this product will easily restore your braking system. It's manufactured especially for your car make and...
      Delivers required force for effective braking powerOEM style reservoir connection provides a leak-free seal and prevents contamination
      $44.25 - $117.71
    • (0 reviews)
      # sp107685
      Brake Master Cylinder by Genuine®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $112.37 - $1,767.52
    • (0 reviews)
      # sp4717
      Brake Master Cylinder by Auto 7®. Does your vehicle vibrate as you're stopping? Do you hear a screeching sound as you stop? Do you have a spongy pedal? Or is your parking brake useless? Auto 7 has the quality parts to repair your...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      $31.82 - $497.58
    • (0 reviews)
      # sp32415
      Brake Master Cylinder by Omix-ADA®. Master cylinders can leak fluid or fail internally. If inspection confirms this, don't spend a lot of dough at the dealer or waste time trying to track one down at the chain store, when you can...
      Comes ready to installMeets or exceeds OEM quality standards
      $49.69 - $288.10
    • (0 reviews)
      # sp107875
      Brake Master Cylinder by ATE®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality...
      High quality at an affordable priceExpertly made from premium materials
      $56.99 - $553.02
    • (0 reviews)
      # sp107981
      Brake Master Cylinder by TRW®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality...
      High quality at an affordable priceExpertly made from premium materials
      $77.72 - $435.63
    • (0 reviews)
      # sp108016
      Brake Master Cylinder by Mopar®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $55.73 - $1,171.99
    • (0 reviews)
      # sp107861
      Brake Master Cylinder by PBR®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality...
      High quality at an affordable priceExpertly made from premium materials
      $12.84 - $213.38
    • (0 reviews)
      # sp16093
      Brake Master Cylinder by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $47.38 - $192.49
    • (0 reviews)
      # sp108073
      Brake Master Cylinder by NPN®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality...
      High quality at an affordable priceExpertly made from premium materials
      $110.33 - $159.96
    • (0 reviews)
      # sp107986
      Brake Master Cylinder by Seiken®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $64.76 - $343.46
    • (0 reviews)
      # sp108065
      Brake Master Cylinder by Nabtesco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $137.07 - $443.69
    • (0 reviews)
      # mpn2548787
      Brake Master Cylinder by Meyle®. Power Disc Brakes. Diameter: 20.64 mm. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...
      High quality at an affordable priceExpertly made from premium materials
      $49.34
    • (0 reviews)
      # sp107994
      Brake Master Cylinder by FAG®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality...
      High quality at an affordable priceExpertly made from premium materials
      $128.91 - $261.60
    • (0 reviews)
      # sp108076
      Brake Master Cylinder by Eurospare®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $130.98 - $197.99
    • (0 reviews)
      # sp107993
      Brake Master Cylinder by Adler®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $30.56 - $277.44
    • (0 reviews)
      # sp12760
      Brake Master Cylinder by URO Parts®. Brake safely and efficiently with URO. This top-notch brake part is right what you need to optimize braking performance and let your vehicle run as it was meant to be. Manufactured from superior...
      Top-notch replacement for your malfunctioning factory brake partDesigned to restore the ultimate braking experience
      $12.69 - $122.92
    • (0 reviews)
      # sp108087
      Brake Master Cylinder by FTE®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality...
      High quality at an affordable priceExpertly made from premium materials
      $110.81 - $294.90
    • (0 reviews)
      # sp107989
      Brake Master Cylinder by AISIN®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $150.36 - $267.07
    • (0 reviews)
      # mpn3622271143
      Brake Master Cylinder by OER®. Get this high quality OER product to restore proper operation of your vehicle’s steering system. This product is manufactured utilizing the highest grade materials according to strict OEM standards...
      Designed to ensure reliable operation of your steering systemMade from high grade materials for excellent performance
      $53.73
    • (0 reviews)
      # sp108141
      Power Brake Booster Brackets by OER®. Get this high quality OER product to restore proper operation of your vehicle’s steering system. This product is manufactured utilizing the highest grade materials according to strict OEM...
      Designed to ensure reliable operation of your steering systemMade from high grade materials for excellent performance
      $20.42 - $37.92
    • (0 reviews)
      # sp14141
      Brake Master Cylinder by OPGI®. This superior product is painstakingly designed to provide outstanding quality and value. Expertly crafted from first-rate materials to the highest standards it ensures maximum durability. This OPGI...
      Made from first-rate materialsDesigned to comply with high-quality standards
      $77.30 - $293.11
    • (0 reviews)
      # sp106751
      GM Original Equipment™ Brake Master Cylinder Reservoir by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $15.43 - $124.71
    • (0 reviews)
      # sp7285
      Brake Master Cylinder Reservoir by Cardone®. A rubber grommet installation kit is included for quick and easy installation on the master cylinder. Reservoirs are available separately, allowing you to choose whether or not one is...
      100% tested to guarantee proper functionThe finest quality at a great price
      $9.72 - $25.74
    • (0 reviews)
      # sp95021
      Brake Master Cylinder Reservoir by Dorman®. Dorman offers a variety of Brake Master Cylinder Reservoirs for a range of applications. All Brake Master Cylinder Reservoirs are constructed of high-quality material for long-lasting...
      Direct replacement for a proper fitA necessary safety item helps prevent brake fluid from splashing and/or leaking
      $28.03 - $88.37
    • (0 reviews)
      # mpn3623705875
      TechSmart™ Brake Master Cylinder Reservoir by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...
      High quality at an affordable priceExpertly made from premium materials
      $36.85
    • (0 reviews)
      # sp107696
      Brake Reservoir by Genuine®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at...
      High quality at an affordable priceExpertly made from premium materials
      $49.82 - $272.67
    • (0 reviews)
      # sp107873
      Brake Master Cylinder Reservoir by ATE®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      High quality at an affordable priceExpertly made from premium materials
      $25.43 - $25.48
    • (0 reviews)
      # mpn2258810
      Brake Reservoir by WABCO®. Note: Models with Traction Control and All Wheel ABS. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind....
      High quality at an affordable priceExpertly made from premium materials
      $247.06
    • (0 reviews)
      # sp107865
      Brake Master Cylinder Reservoir by Vaico®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      High quality at an affordable priceExpertly made from premium materials
      $41.15 - $41.17
    • (0 reviews)
      # mpn1032505896
      Brake Master Cylinder Reservoir by URO Parts®. Brake safely and efficiently with URO. This top-notch brake part is right what you need to optimize braking performance and let your vehicle run as it was meant to be. Manufactured...
      Top-notch replacement for your malfunctioning factory brake partDesigned to restore the ultimate braking experience
      $14.04
    • (0 reviews)
      # sp108089
      Brake Reservoir by FTE®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an...
      High quality at an affordable priceExpertly made from premium materials
      $27.42
    • (0 reviews)
      # sp20273
      GM Original Equipment™ Brake Proportioning Valve by ACDelco®. 1 per Pack. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $16.03 - $167.77
    • (0 reviews)
      # mpn1239440071
      Proportioning Valve by A1 Cardone®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      100% tested to guarantee proper functionThe finest quality at a great price
      $35.67
    • (0 reviews)
      # mpn56115575
      Brake Proportioning Valve by Cardone Select®. CARDONE Select Engineered (CSE) Technology ensures that all master cylinders meet or exceed O.E. form, fit and function. Life-cycle testing ensures that every master cylinder exceeds...
      100% tested to guarantee proper functionThe finest quality at a great price
      $47.12
    • (0 reviews)
      # sp108058
      Brake Proportioning Valves by Dorman®. Dorman’s Brake Proportioning Valve is quality-engineered to ensure that the correct amount of brake fluid pressure is applied to the rear wheels. Replacement reduces the amount of pressure...
      Necessary for safety; replacement restores braking system to proper operationDirect replacement for a proper fit every time
      $21.85 - $36.19
    • (0 reviews)
      # sp6581
      Master Cylinder Cap by Dorman®. Dorman's Brake Master Cylinder Caps are engineered for affordability and convenience. Save time, money and labor by replacing only the Cap, instead of the entire Brake Master Cylinder.
      Constructed of high-quality plastic for lasting durabilityAvailable in diverse styles, including threaded and locking
      $4.67 - $25.59
    • (0 reviews)
      # sp13537
      Brake Master Cylinder Conversion Block by Right Stuff Detailing®. For 25 years, The Right Stuff Detailing has been manufacturing and distributing Brake and Fuel systems for classic cars. Specializing in brake lines, fuel lines and...
      Precision engineered for your vehicleTested to outperform all comparable products on the market
      $22.68 - $33.08
    • (1 review)
      # sp13531
      Brake Proportioning Valve by Right Stuff Detailing®. For 25 years, The Right Stuff Detailing has been manufacturing and distributing Brake and Fuel systems for classic cars. Specializing in brake lines, fuel lines and disc brake...
      Precision engineered for your vehicleTested to outperform all comparable products on the market
      $36.85 - $150.26
    • (0 reviews)
      # sp18631
      Brake Master Cylinder Cap by Motorcraft®. Don't put yourself and your passengers at risk driving with worn-out brake parts. Motorcraft is here to provide you with premium replacement products that feature OEM quality and fit but...
      Direct OEM replacementMeet strict Ford Motor Company standards
      $1.77 - $35.40
    • (0 reviews)
      # sp107697
      Brake Reservoir Cap by Genuine®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $9.01 - $66.28
    • (0 reviews)
      # sp32418
      Master Cylinder Cover Plate by Omix-ADA®. Being able to stop your Jeep is important for obvious reasons: your safety and the safety of your passengers and other motorists. Don't trust such an important function to suspect parts....
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $22.23
    • (0 reviews)
      # sp107978
      Brake Master Cylinder Cap by Rugged Ridge®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      High quality at an affordable priceExpertly made from premium materials
      $27.99
    • (0 reviews)
      # sp107880
      Brake Proportioning Valve by ATE®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $71.41 - $719.11
    • (0 reviews)
      # mpn6184211
      Brake Reservoir Cap by ATE®. With Float. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      High quality at an affordable priceExpertly made from premium materials
      $10.48
    • (0 reviews)
      # sp21736
      Brake Proportioning Valve by Mopar®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $12.67 - $301.59




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    A typical master cylinder has pistons with seals and springs within a bore inside a cast iron or aluminum housing. The fluid reservoir may be integral with the master cylinder body on cast iron master cylinders, but is more commonly an external nylon or plastic component attached to the top of the body and sealed with O-rings. Integral reservoirs have a single cap held on by a wire bail, while external reservoirs have one or two threaded caps.

    The master cylinder can be mounted on the firewall, but is more commonly found on the front of the vacuum power booster. When you press on the brake pedal, a pushrod from the pedal or booster forces the pistons forward, pressurizing the fluid. When the pedal is released, a return spring forces the pistons back. Piston cup deflection and ports in the master cylinder bore ensure there is always a plentiful supply of fluid. All vehicles since 1967 have dual circuit master cylinders with two pistons, so that if there is a hydraulic failure in one circuit, the remaining circuit can provide enough pressure to stop the vehicle.

    Master cylinders can leak fluid past the end seal or fail internally. Fluid leaks and air elsewhere in the system should be eliminated before condemning the master cylinder. Look for wetness under the master cylinder on the firewall or brake booster. It may be necessary to unbolt the master cylinder from the booster to find the leak. Moisture in the fluid can cause the master cylinder bore to corrode, and seals can deteriorate due to age and use. Either can result in the master cylinder developing an internal leak and complaints of a low pedal and poor stopping. External reservoirs and caps can develop cracks.

    Regardless of the master cylinder problem, we can supply you with a replacement part that is manufactured to OE specifications, for precise fit and perfect performance, at an affordable price. We offer master cylinders, master cylinders with external reservoirs, and even master cylinder/vacuum brake booster combos for some applications. We also offer reservoirs and caps individually, as well as master cylinder rebuild kits for some applications. Some vehicles have fluid level sensors attached to the master cylinder. We have these sensors, plus we have bleeder tools that make short work of master cylinder bench bleeding.

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    Brake Master Cylinders & Reservoirs Reviews

    Average rating:  5  5 - 29 reviews
      /  Read All Brake Master Cylinders Reviews
    4.5 of 5
    Good
    Seal on lid was bad, had to take off clamps and bend to get more pressure.
    JPosted by James (Port Orchard, WA) / April 18, 2017
    1975 Chevy CK Pickup
    Was this review helpful for you? Yes
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