Cardone 54-71937 Power Brake Booster

Vacuum Power Brake Booster for GM SUVs

The Cardone Vacuum Power Brake Booster Part Number 54-71937 is a remanufactured brake booster built for direct replacement in select Buick, Chevrolet, and GMC applications. It is engineered and tested to match original equipment performance, with fit and function verified before release.

Compatible With 2010-2017 Buick Enclave, 2010-2017 Chevrolet Traverse, 2010-2017 GMC Acadia, and 2017 GMC Acadia Limited applications that use a vacuum power brake booster.

Key Features

• Remanufactured to match O.E. performance
• 100% tested for reliable fit and function
• 100% O.E.-quality seals and check valves installed
• Rust-prohibitive finish helps extend service life
• Single-diaphragm design with 9.458 in. diaphragm diameter
• Steel construction with gray finish
• Master cylinder stud thread size: M8 x 1.25
• Package contents: booster, instruction manual, and M/C neck seal

Product Details

Cardone remanufactured vacuum power brake boosters are re-engineered from original designs and reviewed for potential improvements where applicable. The result is a brake booster that follows OE specifications while incorporating durability-focused updates. Part number 54-71937 is a gray, steel, single-diaphragm unit with a 240.2332 mm diaphragm diameter and no master cylinder included.

This part cross-references Buick 84158418 and Chevrolet 20831871 for the same application. It is a direct-fit option for drivers searching for a remanufactured power brake booster for 2010-2011 Buick Enclave, 2012 Buick Enclave, 2015-2017 Buick Enclave, 2010-2011 Chevrolet Traverse, 2012 Chevrolet Traverse, 2015-2017 Chevrolet Traverse, 2010-2011 GMC Acadia, 2012 GMC Acadia, 2015-2016 GMC Acadia, and 2017 GMC Acadia Limited.

Common Problems This Part Can Address

• Hard brake pedal feel caused by a weak booster
• Reduced brake assist during vacuum loss or internal diaphragm wear
• Brake pedal effort that increases over time
• Fitment issues when replacing a worn original booster
• Corrosion-related booster deterioration

Installation Notes

Verify the vehicle is equipped for a vacuum power brake booster and confirm the master cylinder configuration before installation. This unit is listed for vehicles lacking master cylinders and for 2012 applications with 1 outlet and without master cylinder. The master cylinder output rod is pre-adjusted when included, which can reduce setup time. Follow the supplied instruction manual and inspect the master cylinder neck seal during installation.

Quality Assurance

Each Cardone remanufactured brake booster is 100% tested to confirm performance, fit, and function. The product is re-engineered to meet OE expectations and uses OE-quality seals and check valves for consistent operation.