Cardone 54-72021 Power Brake Booster

Vacuum Power Brake Booster for Ford Fiesta

Restore brake pedal assist with this Cardone remanufactured vacuum power brake booster, part number 54-72021. It is built and tested to match original equipment performance for 2011-2019 Ford Fiesta models that use a vacuum brake booster without a master cylinder.

Cardone’s Vacuum Power Brake Booster line focuses on remanufactured OE-style replacement units for direct-fit service. This booster is re-engineered from the original design, with updates applied where needed to improve durability while maintaining factory-style fit and function.

Key Features

• Remanufactured to match OE performance
• 100% tested for reliable fit and function
• Single-diaphragm design with a 9.41 in. (239.014 mm) diaphragm diameter
• Steel construction with gray finish
• 100% OE-quality seals and check valves installed
• Rust-prohibitive finishing process helps extend service life
• Master cylinder output rods are pre-adjusted when included
• Includes booster, instruction manual, and M/C neck seal

Detailed Description

The Cardone 54-72021 vacuum power brake booster is a remanufactured replacement for Ford Fiesta brake systems that require a vacuum-assisted booster and do not include a master cylinder. It is engineered to deliver OE-style pedal assist and consistent braking response, with each unit fully tested before release. The booster uses a single diaphragm design and an M8 x 1.25 master cylinder stud thread size for proper installation alignment.

For drivers searching for a 2011-2019 Ford Fiesta vacuum power brake booster, this part provides a direct replacement option built around factory specifications. It is also a practical choice when replacing a worn booster on a Ford Fiesta with symptoms tied to reduced brake assist. Part number 54-72021 is the reference to verify before ordering.

This part cross-references Ford OE numbers AE8Z2005A and C1BZ2005A for the same application.

What It Helps Fix

• Hard brake pedal feel from a failing booster
• Reduced brake assist during normal stopping
• Vacuum-related brake booster performance loss
• Brake response issues caused by internal diaphragm wear
• Fitment problems from an incorrect replacement booster

Installation Notes and Tips

Confirm that your vehicle is a 2011-2019 Ford Fiesta and that it uses a vacuum power brake booster without a master cylinder before installation. Verify the master cylinder stud thread size, booster style, and neck seal fitment against the original unit. Inspect vacuum lines, the master cylinder, and related brake components during replacement to help ensure proper system operation.

Quality Assurance

Each Cardone remanufactured power brake booster is tested to verify fit and function and is built to OE performance standards. The remanufacturing process includes new OE-quality seals and check valves, along with a rust-resistant finish intended to support long-term durability.