Cardone 54-74835 Power Brake Booster

Cardone Vacuum Power Brake Booster 54-74835

Restore brake assist with this remanufactured Cardone vacuum power brake booster, part number 54-74835. Built for 2005 Chevrolet Trailblazer, Trailblazer EXT, GMC Envoy, Envoy XL, and Envoy XUV applications with a vacuum switch port and without a master cylinder, it is engineered to match original equipment performance and fit.

Key Features

• Remanufactured to match O.E. performance
• Dual diaphragm design with a 10.915 in. diaphragm diameter
• Steel housing with gray finish
• 100% tested for reliable performance and proper 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 for easier installation
• Master cylinder stud thread size: M10x1.5

Product Details

The Cardone Vacuum Power Brake Booster line focuses on remanufactured brake boosters that are re-engineered, inspected, and tested to deliver original-equipment-style operation. For Trailblazer and Envoy owners, Cardone 54-74835 provides a direct replacement solution for vacuum-assisted brake systems where consistent pedal assist and dependable brake response are required. This unit is built from steel, uses a dual diaphragm layout, and is finished to resist corrosion while maintaining fit and function.

This part cross-references Chevrolet 15247617 and GMC 15247617 for the same application.

What It Helps Fix

• Hard brake pedal feel from a weak or failing booster
• Reduced vacuum assist during braking
• Inconsistent brake pedal response
• Brake booster leakage or loss of internal vacuum retention
• Corrosion-related booster housing deterioration

Installation Notes

Fits 2005 Chevrolet Trailblazer, with Vacuum Switch Port; without Master Cylinder; Vacuum Power Brake Booster. Fits 2005 Chevrolet Trailblazer EXT, with Vacuum Switch Port; without Master Cylinder; Vacuum Power Brake Booster. Fits 2005 GMC Envoy, with Vacuum Switch Port; without Master Cylinder; Vacuum Power Brake Booster. Fits 2005 GMC Envoy XL, with Vacuum Switch Port; without Master Cylinder; Vacuum Power Brake Booster. Fits 2005 GMC Envoy XUV, with Vacuum Switch Port; without Master Cylinder; Vacuum Power Brake Booster.

Verify the vacuum switch port configuration and master cylinder setup before installation. The booster is supplied with an instruction manual, and the master cylinder is not included. Confirm the M10x1.5 stud thread size and compare the original unit before removal to ensure proper alignment and fit.

Quality Assurance

Cardone remanufactured power brake boosters are re-engineered and tested to meet original equipment performance expectations. Every unit is 100% tested to help ensure correct fit and function before it leaves the remanufacturing process.