GX brake cylinders are a 3 in 1 unit. I was quoted $2,700 for a new part from Toyota on my GX470.
Vehicle:
Lexus
Owner reviews for brake cylinder
Manufacturers
I was able to buy mine on fcpeuro for less than 50$!! No modification required.
Pros: inexpensive, no modifications
Vehicle:
Porsche
Brake master cylinder was absolutely shot and was not doing its best with the new GLI brake setup, so I managed to swap in a GLI 10.1" rotor type setup and it worked out very nicely.
Pros: worked out very nicely
Cons: brake master cylinder shot
Vehicle:
Volkswagen Jetta
I removed the brake master cylinder and wanted to inspect the internal seals... A faulty master cylinder would be spongy and soft to push its piston all the way in. A good master cylinder would be only soft when the lines are open, and would be hard, or require more force if the holes were plugged/sealed/closed. I used rubber stopper to plug the holes and performed the test: As you can see in the picture: in both tests it took almost same amount of force to push the piston. That indicated an internal leak, and a faulty master cylinder.
Pros: easy to test, clear indication
Cons: internal leak, faulty cylinder
Vehicle:
Volkswagen Jetta
I just purchased my 02 LS430 with 137k for $2600, needed just a brake master cylinder and was good to go.
Pros: good to go
Cons: needed master cylinder
Vehicle:
Lexus
Mileage: 137000 km
Nissan/Datsun F10 brake master cylinder
Pros: new master cylinder
For $8 less they have the Raybestos #MC390406 "professional grade" on closeout with only 30 day warranty. I bought a similar Raybestos for my Toyota, and it's worked fine. "Professional grade" apparently means no instructions or bleeder houses are included.
Pros: worked fine
Cons: no instructions, no bleeder houses
Part number: MC390406
$1,800 for a '91 Volvo 940 Turbo. It was running good, had ok tires, and got me through 2 years (needed a brake master cylinder after a year, though). Overall, ok deal... it scooted better after a manual boost controller, but the turbo was on it's way out.
Pros: running good, ok tires
Cons: turbo was on way out
Vehicle:
Volvo 940
Next job to tackle is the weak brakes. Going to start with a brake master cylinder replacement because when I'm sitting at a red light, the pedal goes from hard for about 20-30 seconds to softening up and going to the floor with no clamp force anymore until I pump the pedal again.
Pros: pedal hard initially
Cons: pedal softens, no clamp
Vehicle:
Volkswagen Caddy
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Owner reviews for brake cylinder
As of March 2026, PartReview has 9 reviews across 7 manufacturers for brake cylinder. 7 of them have enough reviews to participate in the ranking of this part.
Popular manufacturers of brake cylinder
The most popular manufacturers of brake cylinder on PartReview include:
- OEM Volkswagen - 3 reviews. PR Score: not available yet, average rating: 3.6.
- OEM Toyota - 1 review. PR Score: not available yet, average rating: 5.0.
- Metelli - 1 review. PR Score: not available yet, average rating: 5.0.
- OEM Lexus - 1 review. PR Score: not available yet, average rating: 4.0.
- OEM Volvo - 1 review. PR Score: not available yet, average rating: 4.0.
Most opinions about performance and characteristics of brake cylinder are collected on these pages.
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