Cardone 54-74804 Power Brake Booster

Reliable Vacuum Power Brake Booster for Select GM Vehicles

The Cardone Vacuum Power Brake Booster 54-74804 is designed to restore proper brake assist in compatible Buick, Chevrolet, Oldsmobile, and Pontiac models. This remanufactured power brake booster features a dual diaphragm style and a durable steel construction to ensure consistent performance and longevity.

• Dual diaphragm style for enhanced braking response
• Diaphragm diameter of 10.915 inches (277.241 mm)
• Constructed from robust steel material
• Gray finish for corrosion resistance
• Includes booster and instruction manual; master cylinder not included
• Master cylinder stud thread size M10x1.5
• Remanufactured condition meeting OEM standards

About the Cardone Vacuum Power Brake Booster Line

The Vacuum Power Brake Booster product line from Cardone focuses on remanufactured components that provide reliable vacuum assist for braking systems. This line is engineered to meet or exceed original equipment specifications, offering a cost-effective solution for restoring brake performance in older GM vehicles. The 54-74804 model is part of this line, ensuring compatibility and quality for specific Buick, Chevrolet, Oldsmobile, and Pontiac applications.

Product Details and Specifications

This power brake booster features a dual diaphragm design, which improves vacuum assist efficiency and pedal feel. The diaphragm diameter measures 10.915 inches (277.241 mm), suitable for the braking systems of the listed vehicle models. Its steel construction provides strength and durability, while the gray color finish helps resist corrosion. The booster is supplied without a master cylinder but includes the necessary instruction manual for installation. The master cylinder stud thread size is M10x1.5, matching OEM specifications for proper fitment.

Compatible Vehicles and Applications

• Buick Cutlass Supreme
• Chevrolet Lumina
• Oldsmobile Regal
• Pontiac Grand Prix
• Chevrolet Monte Carlo

This part number 54-74804 is specifically designed for these models, ensuring proper fit and function within their brake systems.

Common Issues Addressed by This Brake Booster

• Reduced brake pedal assist or hard brake pedal
• Increased stopping distances due to vacuum loss
• Brake pedal sinking or inconsistent brake feel
• Hissing sounds indicating vacuum leaks
• Brake system failure warnings related to booster malfunction

Installation Notes and Tips

Installation of the Cardone 54-74804 Vacuum Power Brake Booster requires removal of the old booster and careful alignment with the master cylinder studs (M10x1.5 thread size). It is important to verify vacuum hose connections and ensure all mounting bolts are torqued to manufacturer specifications. Follow the included instruction manual for detailed steps and safety precautions. Bleeding the brake system after installation is recommended to remove any air and restore proper brake function.

Quality Assurance and Warranty

This remanufactured power brake booster undergoes rigorous testing to meet OEM standards for performance and durability. Cardone provides a limited warranty on this part, covering defects in materials and workmanship. This warranty offers assurance of quality and reliability for your Buick, Chevrolet, Oldsmobile, or Pontiac brake system repair.