Motorsport brake master cylinder

To optimise sports braking

In this category you will find a complete range of master cylinders for competition vehicles. This essential part of a car's braking system is usually located behind the vacuum cup. The master cylinder allows brake fluid to be sent to the calipers through the hydraulic circuit. It is important to check the fluid level in the cylinder regularly to ensure optimum braking performance. In order to save space on your competition vehicle, we also offer for sale a master cylinder without a reservoir made of a very light alloy for a significant weight saving. You will also find accessories for these specific spare parts.

Choose your vehicle
  • Audi
  • Audi A1
  • Audi A2

Your vehicle is not in the list? Contact us...


  1. On order
  2. Partially available
  3. In Stock
  1. 23,8 mm
  2. 7/10 pouces
  3. 14 mm
  4. 15 mm
  5. 15.9 mm
  6. 15.87 mm
  7. 16.8 mm
  8. 17.78 mm
  9. 17.8 mm
  10. 19.05 mm
  11. 19.1 mm
  12. 20.6 mm
  13. 22.2 mm
  14. 23.8 mm
  15. 25.4 mm
  16. 3/4 inches
  17. 5/8 inches
  1. Stemless
  2. 80 mm
  3. 115 mm
  4. 160 mm
  1. M8x125
  2. Without
  3. 5/16

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Sale of master cylinders

Improve your automotive braking by optimising the basic element of your vehicle's hydraulic braking system.

To replace your brake master cylinder, we offer the following brands: AP Racing, Girling and Redspec. To change your brakes, you can contact our sales staff who will direct you to the right car part and give you assembly advice, as well as their different characteristics. Remember to change your brake fluid with a brake bleeder available on our site. Our master cylinders help to reduce the size and weight of the car. The brake fluid reservoir is placed in a more accessible location. For a high-performance sports car, choose quality parts, as optimum braking will save you precious seconds during your races. Don't neglect the quality of the master cylinder and always choose well-known brands rather than a discount brand.

We also offer accessories for master cylinders: master cylinder jars, supply hoses, connection accessories, adapters, captive rod, brake fluid jars, etc. ....


When to replace the master cylinder for your car?

4 criteria that should indicate the need to change the master cylinder:

  • - Visible fluid leaks from the master cylinder or tank.
  • - A pedal feel that feels loose, soft or too low. Internal seals in the piston may be in poor condition and may be responsible for internal leaks.
  • - The colour of the brake fluid can be an indicator if it just becomes colourless it may then be that it is caught by moisture or external particles.
  • - An electronic warning light on your dashboard may be caused by a problem with the master cylinder, which you should check first.


How to repair, replace or change a car brake master cylinder?

In order to replace your car's brake master cylinder you need to clean the master cylinder and its surrounding nuts and tubing with a brush and petrol.

Be sure to fit a master cylinder identical to the previous one.


How to dismantle a brake master cylinder?

You can now unscrew the filler cap of the hydraulic fluid tank and place a plastic sheet on the tank before closing the cap. This will create a vacuum that will prevent too much fluid loss and will simplify the bleeding of the system when reassembling.

If your car is not equipped with a brake booster you will need to remove the pin holding the master cylinder control rod or clevis to the brake pedal all located inside your car. Fold down the arms of the pin and when removing it, make sure you don't lose the washers before removing the small pin ? Once the clevis is finally free, loosen the nuts of the pipes under the bonnet as well as those holding the master cylinder.

If your car is well equipped with a brake booster, the task will be simplified. You will need to unscrew the nuts on the pipes and remove the nuts on the master cylinder. Take note of the position of the seal between the master cylinder and the servo and clean it with a sealing cloth.

The billet should be the same length as the original, perhaps your model can adjust its length with a screw system. Uncouple it so that the master cylinder can be removed. Take care to keep the clevis and screw without forcing the nuts which must be screwed in the master cylinder that you have just installed. Do not force the nut.

Now make sure that the hand pedal movement is free when you have moved it. You can now replace the master cylinder with the nuts and washers and reconnect the pipes. Reverse the disassembly process to fit your new master cylinder. Be careful to do your disassembly and reassembly correctly. A professional is best placed to carry out this operation but if you feel like a mechanic then follow a tutorial from a seasoned professional on the Oreca Store blog. Indeed, this guide above is only intended to give you an overview of the assembly steps and allow you to have an overall idea of the actions required.