What does a brake master cylinder do?

The master cylinder converts the mechanical force from your brake pedal into hydraulic pressure. This pressure is then sent through the brake lines to activate your brakes at the wheels.

What are the signs I need a new brake master cylinder?

Common signs include a spongy or soft brake pedal, a brake warning light that stays on, or visible leaks from the master cylinder itself. If your brakes feel less effective, it's worth checking.

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 for your Jeep and add it after installation, then bleed the system.

1978-1981 Jeep CJ7 Brake Master Cylinder | DFC

Name: DFC 78-81 Jeep CJ-7 Brake Master Cylinder
Brand: DFC
Price: 78.85 USD
Availability: InStock

DFC 78-81 Jeep CJ-7 Brake Master Cylinder

$78.85

On Backorder

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Fits 1978-1981 Jeep CJ7. DFC brake master cylinder for reliable braking.

Key Features

Fits 1978-1981 Jeep CJ7 and 1981 Jeep Scrambler.
DFC brake master cylinder designed as a direct replacement.
Restores proper hydraulic pressure for your braking system.
Meets original equipment specifications for your vehicle.

⚠️ 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

Jeep CJ7 1978-1981
Jeep Scrambler 1981

Product Details

DFC is known for making dependable replacement parts, and this brake master cylinder is no different. If you're working on a 1978 through 1981 Jeep CJ7 or a 1981 Scrambler, this part is designed to get your braking system back in working order. The master cylinder is the heart of your hydraulic braking system; it converts the force from your brake pedal into hydraulic pressure that pushes the brake fluid to your calipers or wheel cylinders.

This unit is built to meet the original specifications for your Jeep, ensuring it fits right and functions as expected. Replacing a master cylinder is a common job when you notice a spongy pedal, a leak from the unit itself, or if your brake warning light stays on. It's a critical component for safe stopping, and getting a well-built replacement like this one will help restore confidence in your vehicle's ability to stop.

When installing, remember to bleed the brake system thoroughly afterward to remove any air and ensure proper brake pedal feel. This master cylinder is a direct replacement, meaning it's designed to bolt up without modifications.