What does a brake master cylinder do?

The master cylinder is the main component in your car's hydraulic braking system. When you press the brake pedal, it converts that mechanical force into hydraulic pressure, which then travels through the brake lines to activate the brakes at each wheel.

What are the signs that my brake master cylinder needs replacing?

Common signs include a brake pedal that feels spongy or goes to the floor, a noticeable decrease in stopping power, or visible brake fluid leaks around the master cylinder itself. You might also notice the brake warning light illuminating on your dashboard.

Does this master cylinder come with brake fluid?

This DFC brake master cylinder does not include brake fluid. You will need to purchase the appropriate type and amount of brake fluid separately and bleed the brake system after installation to ensure proper operation.

DFC 20-25 Mazda Cx-30 Brake Master Cylinder

Specifications

Brand: DFC
Part #: 355-80114
UPC: 195700627289

DFC 20-25 Mazda Cx-30 Brake Master Cylinder

Name: DFC 20-25 Mazda Cx-30 Brake Master Cylinder
Brand: DFC
Price: 124.97 USD
Availability: InStock

$124.97

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2020-2025 Mazda CX-30. This DFC brake master cylinder is a direct replacement, ensuring reliable stopping power.

Key Features

Fits 2020-2025 Mazda CX-30 and 2021-2025 Mazda 3.
Features a strong cast iron housing for reliable performance.
Direct replacement design ensures it fits right.
Restores proper hydraulic pressure for effective braking.
Helps resolve issues like a spongy brake pedal or reduced stopping power.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Fits these vehicles

Mazda 3 2021-2025
Mazda CX-30 2020-2025

Product Details

This DFC brake master cylinder is built with a cast iron housing, a material known for its strength and durability under pressure. It's designed as a direct replacement for your 2020-2025 Mazda CX-30, meaning it should fit right into place without needing modifications. A properly functioning master cylinder is crucial because it's the heart of your braking system, converting the force you apply to the brake pedal into hydraulic pressure that pushes the brake pads against the rotors.

When your original master cylinder starts to wear out, you might notice a spongy brake pedal, a longer stopping distance, or even brake fluid leaks. Replacing it with a well-built unit like this DFC cylinder helps restore that firm pedal feel and ensures your brakes work as they should. This part is also compatible with the 2021-2025 Mazda 3, offering broader application for mechanics and DIYers working on these vehicles.