Brake feeling a bit spongy or losing pressure? Your master cylinder might be failing. This VekAuto replacement brake master cylinder is built specifically for the Mazda CX-5 from 2013 all the way through 2021. It comes as a complete unit with the reservoir already attached, which makes installation a lot simpler. The body is made from a silver-tone aluminum alloy that's corrosion-resistant and tough, paired with a durable plastic reservoir. It's a direct replacement for the OE part number KDY34340ZA. The master cylinder is the heart of your hydraulic brake system – it converts the pressure from your foot on the pedal into the force that clamps the brake pads. Putting in a new one restores that firm, confident pedal feel and is crucial for safe stopping. This is a non-OEM (not original Mazda) part, but it's made to meet or exceed the original specs. Always, always double-check your exact CX-5 model and year before ordering. Safety first – if you're not experienced with brake systems, please have a professional handle the installation.
Free 30-day returns 
Free 30-day returns
