What does a brake wheel cylinder do?

A brake wheel cylinder is a crucial part of a drum brake system. When you press the brake pedal, hydraulic pressure forces pistons inside the cylinder to extend, pushing the brake shoes outward against the rotating brake drum, which slows your vehicle.

What vehicles does this brake wheel cylinder fit?

This wheel cylinder is designed for a broad range of classic vehicles. It fits many Buick models from the 1940s and 1950s, as well as select Cadillac and Pontiac models from the same era.

Do I need to replace both front wheel cylinders?

It's generally recommended to replace wheel cylinders in pairs on the same axle. If you're replacing the left-side wheel cylinder, it's a good idea to inspect and potentially replace the right-side wheel cylinder at the same time for balanced braking performance.

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Trusted Since 1957

Est. 1957

DFC 40-58 Buick Series 40 Special Front-L Brake Wheel Cylinder

Specifications

Brand: DFC
Part #: 375-45015
UPC: 190920397332

DFC 40-58 Buick Series 40 Special Front-L Brake Wheel Cylinder

Name: DFC 40-58 Buick Series 40 Special Front-L Brake Wheel Cylinder
Brand: DFC
Price: 16.38 USD
Availability: InStock

$16.38

In Stock

DFC brake wheel cylinder for Buick, Cadillac, and Pontiac models. Ensures proper brake function.

Key Features

Fits 21+ vehicle make/model combinations.
Designed for front-left brake drum applications.
Essential component for hydraulic drum brake systems.
Helps actuate brake shoes against the drum.
Meets original equipment specifications for proper function.

⚠️ 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

DFC is known for making dependable brake components, and this front-left brake wheel cylinder is no different. It's a key part of your drum brake system, housing the brake shoes and pushing them outward against the drum when you hit the pedal. This cylinder is designed to fit a wide range of classic Buick, Cadillac, and Pontiac vehicles from the 1940s through the 1950s, including models like the Buick Roadmaster, Cadillac Series 60 Fleetwood, and Pontiac Catalina.

When you're rebuilding or servicing the drum brakes on these older vehicles, a properly functioning wheel cylinder is essential for consistent stopping power. This part is built to meet the original specifications, ensuring it fits right and performs as expected. Having a reliable wheel cylinder means your brakes will engage smoothly and effectively every time you need them.