What does a brake master cylinder do?

The brake master cylinder is the control unit of your vehicle's hydraulic brake system. When you press the brake pedal, it converts that force into hydraulic pressure, pushing brake fluid to the wheel cylinders or calipers to activate the brakes.

Why would I need to replace my brake master cylinder?

You might need to replace your master cylinder if you notice a spongy or soft brake pedal, if your brake fluid level is consistently dropping without any visible leaks, or if your brakes are not engaging effectively. These symptoms often indicate internal seal failure within the cylinder.

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 of brake fluid separately and ensure the system is properly filled and bled after installation.

DFC Brake Master Cylinder 355-71015

Name: DFC 46-50 Chevrolet 3100 Brake Master Cylinder
Brand: DFC
Price: 60.06 USD
Availability: InStock

DFC 46-50 Chevrolet 3100 Brake Master Cylinder

$60.06

On Backorder

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

DFC brake master cylinder for 1946-1950 Chevrolet and GMC trucks. Restores reliable braking performance.

Key Features

Fits 1946-1950 Chevrolet and GMC trucks.
Restores proper hydraulic brake function.
Direct replacement for the original master cylinder.
Built to ensure reliable braking performance.

⚠️ 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

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

Product Details

If you're working on a classic Chevrolet or GMC truck from the late 40s and early 50s and the brakes feel soft or inconsistent, it might be time to replace the brake master cylinder. This part is the heart of your hydraulic braking system, using pressure from the brake pedal to push fluid to your wheel cylinders or calipers, making your vehicle stop. This DFC master cylinder is built to get your vintage truck stopping straight and true again.

This master cylinder is a well-built replacement designed to fit a range of Chevrolet and GMC trucks from 1946 through 1950, including models like the Chevrolet Truck and GMC CC100. It's constructed to meet the demands of a hydraulic braking system, ensuring that when you press the pedal, the fluid is pushed with the right amount of force. Replacing a faulty master cylinder is a key step in restoring confidence in your classic vehicle's ability to stop safely.

When installing a new master cylinder, it's important to bleed the brake system thoroughly to remove any air. This ensures that the hydraulic pressure is applied evenly and effectively. Make sure to consult your vehicle's service manual for the correct procedure for your specific truck.