Cardone 54-73181 Power Brake Booster

Vacuum Power Brake Booster Overview

The Cardone 54-73181 vacuum power brake booster is a remanufactured replacement for select Ford and Mazda trucks and SUVs that use a vacuum-assisted brake system. Built to restore pedal assist and braking response, it is engineered to match original equipment performance for applications such as Ford Ranger, Ford Explorer, and Mazda Navajo.

Cardone’s Vacuum Power Brake Booster line focuses on remanufactured OE-style brake assist components with tested fit and function. This unit is finished in gray steel and uses a dual-diaphragm design with an 8.732-inch diaphragm diameter for the listed applications.

Key Features

• Remanufactured to match original equipment performance
• Dual-diaphragm vacuum brake booster design
• Steel construction with gray finish
• 100% tested for reliable fit and function
• O.E.-quality seals and check valves installed on every unit
• Rust-prohibitive finishing process helps extend service life
• Master cylinder output rods are pre-adjusted when included
• Guaranteed fit and function

Detailed Product Description

Cardone 54-73181 is a remanufactured power brake booster for vehicles that require a vacuum brake booster without a master cylinder. It is built from original design data, then re-engineered where needed to improve durability while maintaining OE-style operation. The dual diaphragm layout supports consistent brake assist, and the unit is fully tested before release.

Use this booster for select 1987-1994 Ford Ranger, 1991-1994 Ford Explorer, 1987-1990 Ford Bronco II, and 1991-1994 Mazda Navajo applications, along with listed 1994 Mazda B-Series trucks. This part cross-references Ford E8TZ2005D and Mazda ZZL043800 for the same application.

What This Brake Booster Helps Address

• Hard brake pedal feel caused by a weak vacuum booster
• Reduced brake assist during normal stopping
• Brake response issues related to booster wear or internal seal failure
• Fitment problems when replacing an OE-style vacuum power brake booster
• Corrosion-related booster deterioration on older vehicles

Installation Notes and Tips

Verify the vehicle uses a vacuum power brake booster and does not require a master cylinder with the booster assembly. Confirm pedal rod configuration where specified, including Ford applications that require pedal rod #14838. Check diaphragm style, mounting points, and vacuum connections against the original unit before installation.

Compatible With 1991-1994 Ford Explorer, 1987-1994 Ford Ranger, 1994 Mazda B2300, 1994 Mazda B3000, 1994 Mazda B4000, 1991-1994 Mazda Navajo, 1987-1990 Ford Bronco II, 1987-1989 Ford F-250, and 1987-1989 Ford F-350 as listed in the fitment data.

Quality Assurance

Cardone remanufactures this brake booster to OE performance standards and tests every unit for fit and function. The design includes OE-quality seals and check valves, plus a rust-prohibitive finish to support long-term service in brake system applications.