Cardone 54-74074 Power Brake Booster

Vacuum Power Brake Booster for Jeep Applications

The Cardone 54-74074 vacuum power brake booster is a remanufactured replacement built to restore brake assist performance to OE standards. It is engineered for direct fitment on select Jeep Cherokee and Jeep Comanche models that use a vacuum power brake booster and do not include a master cylinder.

Cardone remanufactured brake boosters are re-engineered, tested, and finished to deliver consistent fit and function. For Jeep Cherokee and Jeep Comanche brake repair, this unit is built with a single diaphragm design and a steel housing for dependable service.

Key Features

• Remanufactured to match original equipment performance
• 100% tested for fit and function before release
• Single diaphragm design with an 8.4 in. (213.36 mm) diaphragm diameter
• Steel construction with gray finish
• Rust-prohibitive finishing process for added durability
• O.E.-quality seals and check valves installed on every unit
• Master cylinder output rods are pre-adjusted when included for easier installation
• Package contents: booster and instruction manual

Product Details

This Cardone Vacuum Power Brake Booster, part number 54-74074, is a remanufactured brake hardware component for restoring vacuum-assisted braking response. It is listed for 1991-1994 Jeep Cherokee and 1991-1992 Jeep Comanche applications, specifically vehicles lacking master cylinders. The design is intended to match OE performance while using upgraded finishing and tested internal components for reliable operation. This part cross-references Jeep 4637769 for the same application.

Common Brake Assist Issues It May Solve

• Hard brake pedal feel from a weak or failed booster
• Reduced vacuum assist during braking
• Inconsistent pedal response after booster wear
• Brake system performance loss related to booster leakage
• Fitment issues when replacing an original Jeep Cherokee or Jeep Comanche booster

Installation Notes and Tips

Verify vehicle configuration before installation, since this booster is listed for models lacking master cylinders. Confirm vacuum line condition, mounting points, and pushrod alignment during replacement. The pre-adjusted output rod feature, when included, can reduce setup time, but final installation should still be checked against the vehicle’s brake system specifications.

Quality Assurance

Cardone remanufactured power brake boosters are re-engineered and tested to match OE performance. Each unit is 100% tested to confirm fit and function, and the rust-prohibitive finish is used to help extend service life.