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JEEP CJ5 Master Cylinders & Boosters

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Summit Racing™ Power Brake Conversion Kits

Summit Racing™ power brake conversion kits create more stopping power. Upgrading your classic to power brakes is smart—and safer! Many older vehicles used single-reservoir master cylinders. Our conversion kits feature dual reservoir cast iron master cylinders. All parts are brand new, available for many applications from the 1940s and up, and some kits may include pedal rod extensions and mounting hardware.

4.03 out of 5 stars ( 324 )

$234.99

Tuff Stuff Performance Master Cylinder and Brake Booster Combos

Tuff Stuff Performance brake booster and master cylinder combos are top-of-the-class high performance pieces that are not only attractive, but also reliable to help get you home safely. These booster and master cylinder combos are built from hefty cast iron to exceed OEM specifications and then tested before shipping to provide you with maximum dependability. They come available in natural and triple chrome plate finishes, making your hot rod look good under the hood. Tuff Stuff Performance brake booster and master cylinder combos are assembled, plated, and then polished in-house by Tuff Stuff.

4.18 out of 5 stars ( 180 )

$269.99

$368.99

Tuff Stuff Performance Brake Boosters

Tuff Stuff Performance brake boosters can assist in upgrading your manual or factory brake system. These vacuum diaphragm units enhance braking ability, while offering much easier pedal operation. The boosters are available in a variety of diameters and finishes. Order a universal-fit or vehicle-specific model for your car or truck application.

4.47 out of 5 stars ( 179 )

$235.99

Crown Automotive Brake Master Cylinders

Whether you're flying down the highway, cruising around town, or crawling down a mountain, life takes on a terrorizing side when you lose your brakes. Crown Automotive brake master cylinders are designed just like the originals for easy installation and brake line attachment. Master cylinders and brake lines should be periodically inspected and replaced for best overall safety. When you hit the brakes and the pedal goes to the floor the results can be catastrophic. Remember to be safe out there with Crown Automotive brake master cylinders.

3.8 out of 5 stars ( 10 )

$62.99

$143.99

RT Off-Road Power Brake Booster Conversion Kits

When it comes to the braking system on your vehicle, especially an adventurous Jeep—don't mess around! Replace that faulty or outdated master cylinder with one of the power brake booster conversion kits from RT Off-Road. These performance-level kits cater to the vehicle's specific requirements. The larger bore master cylinders are designed for upgrades done to the vehicle axles with larger brake calipers. The more moderate bore is designed for vehicles with factory brakes, disc brakes upgrades, and vehicles that require more braking power. Each application includes a zinc coated brake booster, master cylinder, bench bleeding kit, and installation instructions.

3.0 out of 5 stars ( 6 )

$481.99

$499.99

Dorman Brake Master Cylinders

Are you looking for a replacement brake master cylinder for your brake system? Dorman has you covered with their OEM replacement Dorman brake master cylinders. Dorman brake master cylinders deliver increased performance and reliability. Dorman has industry-leading brake master cylinder application coverage that is second to none. If you want maximum performance from your brake system, then you need one of these Dorman brake master cylinders.

4.47 out of 5 stars ( 272 )

$37.99

$136.99

Raybestos Element3 Brake Master Cylinders

Raybestos Element3 brake master cylinders are manufactured from precision castings for an exact match to your OE design. Their casting design features a reduced weight that does not stress the brake booster mounting. Raybestos offers more than 1,600 replacement models for vehicle dating from 1947 and up. Order the size and specs recommended for your application. When using Element3 brake products, you can be certain that your replacement brake components will perform as well as your original equipment.

4.22 out of 5 stars ( 106 )

$65.99

$103.99

Crown Automotive Brake Boosters

Give your brake pedal an assist with Crown Automotive brake boosters. They are direct-fit replacements that will make it easier to push your pedal and stop your vehicle. Restore your system's firm, responsive feel for safe stopping with Crown Automotive brake boosters.

3.25 out of 5 stars ( 4 )

$163.99

ACDelco Gold Brake Master Cylinders

ACDelco Gold brake master cylinders use both aluminum and iron castings, making them a high-quality replacement for many vehicles on the road today. These master cylinders contain both ethylene propylene and styrene butadiene rubber components to provide superior resistance to heat, corrosion, and leakage. ACDelco Gold brake master cylinders ready to bench bleed and install right out of the box! They're manufactured to exceed your expectations for fit and performance; order the model recommended for your application.

4.27 out of 5 stars ( 108 )

$45.99

$88.99

LEED Brakes Master Cylinder and Brake Booster Combos

LEED master cylinder and brake booster combos deliver top-quality braking power and are designed to mount directly to your factory firewall. The Leeds brake booster assemblies work great as factory replacements or an upgrade from manual to power brakes. Make your quick stops effective and safe with LEED combo kits!

4.56 out of 5 stars ( 89 )

$419.99

$569.99

LEED Brakes Power Brake Boosters

LEED Brakes power brake boosters work great as an upgrade from manual to power brakes. Options for factory replacement brake boosters available for many applications. Constructed from quality steel, these power brake boosters mount directly to your firewall and are offered in different styles and diameters to suit your application. A brake pedal rod extension is also included.

4.37 out of 5 stars ( 52 )

$344.99

$394.99

Centric Premium Brake Master Cylinders

Centric Premium brake master cylinders offer a secure, leak-free fit to promote proper brake control. Manufactured under the highest quality standards by OE suppliers, these units match original equipment parts in quality, configuration, and fitment. They are complete with reservoirs, switches, and floats, as well as the original casting body designs where applicable. Order the model designed for your vehicle application. Features include: * Manufactured to meet strict OE specifications * Heavy-duty construction (cast iron or aluminum) * Hassle-free installation * Carefully evaluated to ensure OE quality * Available for various domestic and import vehicles

3.96 out of 5 stars ( 45 )

$46.99

$83.99

Crown Automotive Brake Booster Check Valve Grommets

Without a great seal between parts, your vehicle could leak antifreeze, oil, and gasoline, which can eventually lead to issues, but a leak between the vacuum line and brake booster could lead to a crash. Crown Automotive brake booster check valve grommets make for a tight seal between the booster and check valve, ensuring safe braking. Although these rubber grommets have a long service life, they should be checked periodically for cracks and replaced.

5.0 out of 5 stars ( 1 )

$1.99

Tuff Stuff Performance Power Booster Mounting Brackets

Complete your made-to-order look with Tuff Stuff Performance power brake booster brackets. These brackets are made from sturdy steel in angled and straight styles. They are then plated with chrome or gold zinc for a finished look that is sure to set your ride apart from the rest.

4.38 out of 5 stars ( 34 )

$121.99

Crown Automotive Master Cylinder Rebuild Kits

Keep your ride safe and always ready to stop. Crown Automotive master cylinder rebuild kits restore the correct pressure to send fluid to your brake system. If internal components are worn-out and you begin to leak brake fluid, your ability to stop will be impaired. These kits contain everything necessary to rebuild your master cylinder. Just choose the kit designed for your specific vehicle.

Not Yet Reviewed

$22.99

$46.99

LEED Brakes Power Brake Booster Brackets

Tired of looking at that beat up power brake booster bracket? Leed Brakes booster brackets are manufactured using premium materials and designed for precision fit, ensuring years of trouble-free performance.

5.0 out of 5 stars ( 3 )

$174.99

OMIX-ADA Master Cylinder Rebuild Kits

Restore your master cylinder with OMIX-ADA master cylinder rebuild kits. These kits contain all of the components that you need for a successful master cylinder repair.

Not Yet Reviewed

$20.99

OMIX-ADA Power Brake Boosters

The primary indicator of a faulty brake booster is a stiff brake pedal. If it takes more force than usual to bring the vehicle to a stop, then it's very possible the brake booster is faulty or has failed completely. OMIX-ADA offers OE-style replacement brake boosters to help restore your Jeep's braking system to its full operating potential. Order the direct-fit model recommended for your application.

5.0 out of 5 stars ( 1 )

$224.99

OMIX-ADA Brake Master Cylinders

Engage your Jeep brakes with OMIX-ADA brake master cylinders. These new (not rebuilt) master cylinders will bring back that firm feel and renew your Jeep's stopping power. When you need brake components that fit, look to OMIX-ADA for OE replacement Jeep parts and accessories built to the original specifications.

4.33 out of 5 stars ( 3 )

$59.99

$76.99

OMIX-ADA Master Cylinder Replacement Components

OMIX-ADA master cylinder replacement components are those small, miscellaneous items you don't think about until you need them. OMIX-ADA has you covered with necessary hardware for your vintage Jeep. If you need a bolt and washer kit, fitting bolt, or washers to fit between your master cylinder and outlet fitting (or outlet fitting and fitting bolt), they've got it. Whether your Jeep is a 1941 MB or a 1966 CJ5, OMIX-ADA has master cylinder replacement components to help you get the job done!

4.0 out of 5 stars ( 1 )

$2.99

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