Cardone 54-74827 Power Brake Booster

Reliable Vacuum Power Brake Booster for Select GM Vehicles

The Cardone Vacuum Power Brake Booster 54-74827 is designed to restore proper brake assist in compatible Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn models. This remanufactured power brake booster features a dual diaphragm style and a durable steel construction to ensure consistent performance.

• Dual diaphragm style for enhanced vacuum assist
• Gray color with a 10.915-inch (277.241 mm) diaphragm diameter
• Constructed from steel for strength and durability
• Includes booster and instruction manual; master cylinder not included
• Master cylinder stud thread size M10x1.5 for precise fitment
• Remanufactured condition meeting OEM specifications

About the Cardone Vacuum Power Brake Booster Line

The Vacuum Power Brake Booster product line by Cardone focuses on remanufactured brake boosters that provide reliable vacuum assist to improve braking performance. This line is engineered to meet or exceed original equipment standards, offering a cost-effective solution for restoring brake system function in various GM vehicles. The 54-74827 part is a key component within this line, designed specifically for select Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn models.

Product Details and Specifications

This power brake booster features a dual diaphragm design, which helps provide consistent vacuum pressure to the brake master cylinder, improving pedal feel and braking response. The booster’s diaphragm diameter measures 10.915 inches (277.241 mm), ensuring compatibility with the specified vehicle models. Made from steel, the booster offers durability and resistance to wear. The gray finish is standard for this remanufactured part. Note that the master cylinder is not included, but the booster comes with an instruction manual for installation guidance. The master cylinder stud thread size is M10x1.5, matching factory specifications for proper mounting.

Compatible Vehicles and Applications

• Buick Rendezvous, Terraza
• Chevrolet Uplander, Montana, Relay
• Oldsmobile Silhouette
• Pontiac Aztek, Trans Sport
• Saturn Relay

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 in the booster
• Brake system warning lights related to assist failure

Installation Notes and Tips

Installation of the Cardone 54-74827 Vacuum Power Brake Booster requires removal of the old booster and careful alignment of the master cylinder studs with the booster mounting points. Ensure the M10x1.5 stud threads are clean and free of damage before installation. Follow the included instruction manual for torque specifications and vacuum line connections. It is recommended to inspect the brake master cylinder and vacuum lines during installation to ensure overall system integrity.

Quality Assurance and Warranty

This remanufactured power brake booster undergoes rigorous testing to meet OEM performance standards. Cardone provides a limited warranty on this part, covering defects in materials and workmanship. The remanufacturing process includes cleaning, inspection, and replacement of worn components to ensure reliable operation in the specified Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn models.