What are the symptoms of a failing brake master cylinder?

Common signs include a spongy or soft brake pedal, a pedal that sinks to the floor when held, reduced braking ability, and potential brake fluid leaks around the master cylinder itself. If you notice any of these, it's time to consider replacement.

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 vehicle and add it after installation.

What else should I do when replacing the master cylinder?

It's highly recommended to bleed the entire brake system after installing a new master cylinder to remove any air. Inspecting your brake lines for leaks or damage at the same time is also a good practice.

DFC 85-89 Chevrolet Astro Brake Master Cylinder

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Specifications

Brand: DFC
Part #: 355-47154
UPC: 190920379260

DFC 85-89 Chevrolet Astro Brake Master Cylinder

Name: DFC 85-89 Chevrolet Astro Brake Master Cylinder
Brand: DFC
Price: 137.14 USD
Availability: InStock

$137.14

On Backorder

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

Fits 1985-1989 Chevrolet Astro. DFC Brake Master Cylinder. Ensures proper brake fluid pressure for reliable stopping.

Key Features

Fits 1985-1989 Chevrolet Astro and 1985-1989 GMC Safari.
Direct replacement master cylinder from DFC.
Converts pedal force into hydraulic pressure for braking.
Ensures proper brake fluid pressure to all wheels.
Restores 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

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Fits these vehicles

Chevrolet Astro 1985-1989
GMC Safari 1985-1989

Product Details

This is a DFC brake master cylinder for your 1985-1989 Chevrolet Astro or GMC Safari. The master cylinder is the heart of your vehicle's hydraulic braking system. When you press the brake pedal, it converts that force into hydraulic pressure, pushing brake fluid through the lines to activate the brakes at each wheel. If your master cylinder is worn out, you might notice a spongy brake pedal, a longer stopping distance, or even brake fluid leaks around the unit.

DFC builds this master cylinder to be a direct replacement for your original equipment. It's made to handle the demands of your vehicle's braking system, ensuring that you get consistent pressure to all four wheels. This means you can count on your brakes to work reliably when you need them most. Installing a new master cylinder is a key step in restoring your vehicle's braking performance.

When replacing your master cylinder, it's a good idea to also inspect your brake lines and bleed the entire brake system thoroughly to remove any air. This ensures the new master cylinder can do its job effectively and you get the best possible brake feel.