Cardone 54-74832 Power Brake Booster

Vacuum Power Brake Booster Overview

The Cardone 54-74832 remanufactured vacuum power brake booster is built for direct replacement on select GM and Saab applications. It is re-engineered and tested to match original equipment performance, with design updates used where applicable to improve durability and fit.

This Cardone Vacuum Power Brake Booster is a practical choice for drivers servicing brake assist concerns on vehicles such as the Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x.

Key Features

• Remanufactured to match O.E. performance
• Dual diaphragm design for brake assist support
• 10.3 in. diaphragm diameter (261.62 mm)
• Steel construction with gray finish
• 100% tested for fit and function
• O.E.-quality seals and check valves installed on every unit
• Rust-prohibitive finishing process for added durability
• Master cylinder output rods are pre-adjusted when included
• Guaranteed fit and function

Product Details

Cardone Vacuum Power Brake Booster 54-74832 is a remanufactured power brake booster engineered for consistent pedal assist and dependable brake system operation. The dual diaphragm layout, steel housing, and factory-style sealing components are used to restore proper vacuum-assisted braking performance while maintaining original fitment requirements. This unit does not include a master cylinder and uses an M10x1.5 master cylinder stud thread size.

Fits 2006-2008 Chevrolet Trailblazer, N/A; Fits 2006-2008 GMC Envoy, N/A; Fits 2006-2008 Saab 9-7x, N/A; Fits 2006-2007 Buick Rainier, N/A; Fits 2006 Chevrolet Trailblazer EXT, N/A; Fits 2006 GMC Envoy XL, N/A. This part cross-references Saab 15267004 for the same application.

Common Brake Assist Issues It May Address

• Hard brake pedal feel caused by reduced vacuum assist
• Inconsistent stopping response during normal braking
• Brake booster leakage from worn internal components
• Loss of pedal assist after booster wear or contamination
• Fitment problems when replacing a failed original booster

Installation Notes and Tips

Verify the vehicle’s brake code on the Service Parts Identification sticker for GMC applications before ordering. This booster is for vehicles lacking master cylinders, so confirm your brake system configuration before installation. Compare the original booster, mounting points, and master cylinder stud thread size to the replacement unit before assembly.

Quality Assurance

Cardone remanufactures this booster to original equipment standards and tests every unit for proper fit and function. The brand’s process includes inspection of the original design, selective upgrades where applicable, and a rust-resistant finish to support long-term service life.