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

Common signs include a spongy or soft brake pedal, a brake pedal that sinks to the floor when held down, reduced braking ability, or visible brake fluid leaks around the master cylinder itself.

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

What tools are typically needed to replace a brake master cylinder?

Replacing a master cylinder usually requires basic hand tools like wrenches and sockets, a brake fluid bleeder kit, and potentially a flare nut wrench for the brake lines. Always refer to the vehicle's service manual for specific tool requirements and procedures.

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Trusted Since 1957

Est. 1957

DFC 71-89 Chevrolet P30 Brake Master Cylinder

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Specifications

Brand: DFC
Part #: 355-47203
UPC: 190920379758

DFC 71-89 Chevrolet P30 Brake Master Cylinder

Name: DFC 71-89 Chevrolet P30 Brake Master Cylinder
Brand: DFC
Price: 101.66 USD
Availability: InStock

$101.66

On Backorder

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

DFC 355-47203 brake master cylinder for Dodge B350, Chevrolet P30, and GMC P3500 vans. Ensures proper brake fluid pressure.

Key Features

Fits 1971-1989 Chevrolet P30, Dodge B350, and GMC P3500 vans.
Cast iron housing offers strength and durability.
Replaces the original master cylinder to restore brake function.
Converts pedal force into hydraulic pressure for braking.
Designed for a direct fit installation.

⚠️ 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

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 to replace the original master cylinder on a variety of vans, including Chevrolet P30, Dodge B350, and GMC P3500 models from the 1970s and 1980s. When your master cylinder starts to fail, you might notice a spongy brake pedal, a longer stopping distance, or even fluid leaks around the unit. This part is crucial because it's the heart of your hydraulic braking system, converting the force from your brake pedal into fluid pressure that activates your brakes.

Replacing your master cylinder is a key step in restoring your braking system's performance. This DFC unit is made to fit right, meaning it should install without major modifications, making the job more straightforward. Ensuring your brake fluid is clean and the system is properly bled after installation will help you get the most out of this replacement part.