What does a brake master cylinder do?

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

What are the signs that my master cylinder needs replacing?

Common signs include a brake pedal that feels spongy or goes to the floor, a gradual increase in stopping distance, or brake warning lights on your dashboard. You might also notice brake fluid leaks around the master cylinder itself.

Does this master cylinder come with brake fluid?

This DFC brake master cylinder is typically sold without brake fluid. You will need to purchase the appropriate type of brake fluid separately and bleed the brake system after installation to ensure proper operation.

DFC 83-86 Buick LeSabre Brake Master Cylinder

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Specifications

Brand: DFC
Part #: 355-45004
UPC: 190920377310

DFC 83-86 Buick LeSabre Brake Master Cylinder

Name: DFC 83-86 Buick LeSabre Brake Master Cylinder
Brand: DFC
Price: 98.42 USD
Availability: InStock

$98.42

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DFC Brake Master Cylinder for 1983-1986 Buick LeSabre. Ensures proper brake fluid pressure.

Key Features

Fits 1983-1986 Buick Century, 1986 Buick LeSabre, 1985 Cadillac DeVille, 1985 Cadillac Fleetwood, 1985 Oldsmobile 98, 1983-1986 Oldsmobile Cutlass Ciera, 1983 Oldsmobile Cutlass Cruiser, and 1983, 1985-1986 Pontiac 6000.
Cast iron housing offers a strong and durable foundation for the braking system.
Designed as a direct replacement for the original equipment master cylinder.
Converts pedal force into hydraulic pressure to operate the brake system.
Helps restore proper brake pedal feel and stopping 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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Product Details

This DFC brake master cylinder is built with a cast iron housing, a material known for its strength and durability in braking systems. It's designed to replace the original master cylinder on a variety of vehicles from the mid-1980s, including models like the Buick Century, Oldsmobile Cutlass Ciera, and Pontiac 6000. When your master cylinder starts to wear out, you might notice a spongy brake pedal or a longer stopping distance, and replacing it is key to restoring your braking performance.

This unit is a direct replacement, meaning it's made to bolt into the factory location without needing modifications. It handles the crucial job of converting the force from your brake pedal into hydraulic pressure that pushes brake fluid to your calipers or wheel cylinders. Having a well-functioning master cylinder is essential for safe and reliable stopping power, ensuring consistent pressure across your brake system.