What does a brake master cylinder do?

The brake master cylinder is the heart of your hydraulic braking system. When you press the brake pedal, it converts that force into hydraulic pressure, pushing brake fluid through the lines to activate your brakes.

What does '6 K MC' mean on this master cylinder?

The '6 K MC' designation refers to the piston configuration of the master cylinder. It indicates a 6-piston design, which is important for generating the correct hydraulic pressure for the specific braking system it's intended for.

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.

DFC Brake Master Cylinder 355-71021 - International Trucks

Name: DFC 41-82 International 6 K MC Brake Master Cylinder
Brand: DFC
Price: 77.65 USD
Availability: InStock

DFC 41-82 International 6 K MC Brake Master Cylinder

$77.65

In Stock

DFC 41-82 International 6 K MC Brake Master Cylinder. Restores reliable braking performance for classic International trucks.

Key Features

Fits International L, R, S, SM, AM, and B-series trucks from 1950-1960.
Features a 6-piston (6 K MC) design for proper hydraulic pressure.
Designed as a direct replacement for the original master cylinder.
Restores reliable braking performance and fluid pressure.
Part number 355-71021.

⚠️ 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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Will this fit your vehicle?

Product Details

DFC is known for making reliable replacement parts for a wide range of vehicles. This brake master cylinder is built to restore the stopping power on many International truck models from the 1950s and early 1960s. If your truck's brakes feel spongy or you're losing fluid, a faulty master cylinder is often the culprit. This part is designed to get your classic International back on the road with confidence.

This master cylinder features a 6-piston (6 K MC) design, which is crucial for ensuring proper hydraulic pressure is applied to your braking system. It's a direct replacement part, meaning it's made to fit right into the existing brake lines and mounting points on your International truck. This makes the installation process more straightforward, especially if you're working on a restoration project or just need to get your truck back to reliable service.

This master cylinder fits a variety of International truck series, including models like the L-series, R-series, S-series, and early B-series trucks from the 1950s and early 1960s. Ensure you check the fitment details to confirm it matches your specific truck. Having a properly functioning master cylinder is key to safe braking.