Brake Master Cylinder
The master cylinder converts pedal pressure into hydraulic pressure for all four brakes. Worn internal seals let fluid bypass, so the pedal sinks slowly to the floor. It is a critical safety item that should be replaced, not repaired, when seals fail.
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Signs your Brake Master Cylinder needs replacing
- Brake pedal sinks slowly when held
- Spongy pedal that does not improve with bleeding
- Brake fluid leaking down the servo or into the cabin
- Brake warning light with a full reservoir
When to replace
Replace when the pedal sinks or the cylinder leaks. Flush and bleed the whole system with fresh DOT 3/4 fluid.
Brands we commonly supply
Availability varies by vehicle. Typical brands for this part include:
Why buy from BOTANVÈ AUTO
We are a licensed UAE trader (Botanvè FZC LLC, Ajman) supplying genuine and OEM-quality parts to garages and car owners across all seven Emirates. Every enquiry is checked against your chassis number before we quote, so the part that arrives is the part that fits. Delivery is arranged to Dubai, Sharjah, Ajman, Abu Dhabi, Ras Al Khaimah, Umm Al Quwain and Fujairah.
Brake Master Cylinder — frequently asked questions
Is the reservoir included?
It varies. We state it on the quotation.
Do I need to bleed the ABS unit?
Some cars need a scan-tool bleed after master cylinder replacement. We can advise.
Need a Brake Master Cylinder for your car?
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