Cardone 53-8425 Power Brake Booster

Reliable Vacuum Power Brake Booster for Infiniti EX35, G25, and G35

The Cardone Vacuum Power Brake Booster 53-8425 is designed to restore proper brake assist functionality in select Infiniti models. Engineered with a dual diaphragm style and durable steel construction, this remanufactured booster ensures consistent braking performance for your Infiniti EX35, G25, or G35.

• Dual diaphragm style for enhanced vacuum power assist
• Diaphragm diameter of 9.655 inches (245.237 mm) for optimal braking response
• Constructed from durable steel for long-lasting reliability
• Includes booster, instruction manual, and master cylinder neck seal
• Compatible with Infiniti EX35, G25, and G35 models
• Master cylinder stud thread size M8 x 1.25
• Remanufactured product condition ensuring quality and performance

About the Cardone Vacuum Power Brake Booster Line

The Cardone Vacuum Power Brake Booster product line focuses on remanufactured brake boosters that meet or exceed OEM specifications. This line provides a cost-effective solution for restoring brake assist functionality while maintaining safety and reliability. The 53-8425 model exemplifies this approach by combining precise diaphragm sizing and robust steel materials to deliver consistent vacuum power assist for compatible Infiniti vehicles.

Product Details and Specifications

This power brake booster features a dual diaphragm design, which improves vacuum assist efficiency and braking feel. The 9.655-inch diaphragm diameter (245.237 mm) is engineered to match the original equipment specifications for the Infiniti EX35, G25, and G35. The gray steel housing offers durability and resistance to wear. Note that this unit does not include a master cylinder but comes with a master cylinder neck seal and installation instructions to facilitate proper setup. The master cylinder stud thread size is M8 x 1.25, ensuring compatibility with the corresponding master cylinder fittings.

Common Applications and Problem Resolution

• Restores brake pedal assist in Infiniti EX35, G25, and G35 models
• Addresses hard or unresponsive brake pedal issues
• Eliminates excessive brake pedal travel or sponginess
• Replaces faulty or leaking brake boosters causing vacuum loss
• Improves overall braking safety and control

Installation Notes and Tips

Installation of the Cardone 53-8425 Vacuum Power Brake Booster requires basic mechanical knowledge and proper tools. Ensure the brake system is depressurized before removal. Use the included master cylinder neck seal to prevent vacuum leaks. Verify the master cylinder stud thread size (M8 x 1.25) matches your vehicle’s master cylinder. Follow the provided instruction manual carefully to maintain correct alignment and secure mounting. After installation, bleed the brake system to remove any air and test brake pedal feel before driving.

Quality Assurance and Warranty

This remanufactured power brake booster undergoes rigorous testing to meet performance and safety standards. Cardone’s remanufacturing process includes inspection, cleaning, and replacement of worn components to ensure reliable operation. While specific warranty details are not provided here, Cardone products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or Cardone directly for exact warranty terms.