BM57 Brake Master Cylinder (Rebuild Kit)

Suits: Nissan Skyline, Silvia, Z32

BM57 Brake Master Cylinder (Rebuild Kit) Suits: Nissan Skyline, Silvia, Z32

BM57 Brake Master Cylinder (Rebuild Kit)

Suits: Nissan Skyline, Silvia, Z32

(3 customer reviews)

AUD $69.00

  • Budget Friendly BM57 Repair

In Stock
Order by 2PM weekdays for same-day dispatch

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HFM.Parts have re-developed their superseded Brake Master Cylinder with higher quality rubbers and internals with a classic monochrome design. If you have an old/worn out Nissan BM57 BMC kicking around that has lost brake pedal pressure and you cannot get seals for it, the HFM.Parts Rebuild Kit with full piston seal kit and reservoir might be what you need.
To purchase a complete HFM.Parts Brake Master Cylinder click here.




Whats in the Box

1x Reservoir
2x Reservoir Grommets
1x First piston with rubber cup
1x Second piston with rubber cup
1x Piston Lock Ring
*Due to material shortages the colour of the lid may vary.


Q. Does my brake master cylinder need to be honed even if it looks ok?
A. Yes! It may look smooth to the human eye but the bore could still be out of round and worn. It will require honing for the new piston seals to seal correctly.

Q. The fluid sensor connector is on the wrong side, what can I do?
A. You can easily swap the sensor connector to either side of the BM57 by following these steps.
On the terminal side, push a small flat screwdriver in between the sensor connector and the bottom of the reservoir to lightly pry apart the lock tab. On the opposite side of the sensor connector, push through to pop it out. *This is much easier to do prior to installation!

Q. I have a round (or other shape) fluid sensor connector, will it fit?
A. No, our fluid sensor connector is rectangle (as shown in the product photo), in order to plug your existing fluid sensor connector into our one, you will need to cut your existing connector off and join the two exposed wires to individual spade terminals. Then, you can push these onto our connector.

Q. My OEM pistons have an elongated slot which is different to what will be supplied? Why is this?
A. Some brake masters utilise a retaining screw in order to hold the pistons in place. Our pistons do not require this mechanism. If your Brake Master has a retaining lock screw, you will need to either shorten or replace it with a shorter screw in order to block the fluid from leaking.


Modifying vehicles is a specialist task and requires the knowledge and experience of competent individuals to be conducted safely.
We recommend this product be installed by a competent person. Instructions are given with every order where available, however, If you would like a copy prior to ordering, you're welcome to contact us: Go to Contact Page

3 reviews for BM57 Brake Master Cylinder (Rebuild Kit) Suits: Nissan Skyline, Silvia, Z32

    May 16, 2022
    The kit was easy to install and has made a unusable master cylinder epic again. I would highly recommend.
    Waynne Wale
    February 20, 2022
    Good delivery time
    Ronnie Beard
    April 8, 2021
    Very professional and quick
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