Cardone 53-8603 Power Brake Booster

Overview of Cardone Vacuum Power Brake Booster 53-8603

The Cardone Vacuum Power Brake Booster 53-8603 is designed to restore proper brake assist function in select Nissan and INFINITI vehicles. This remanufactured power brake booster features a dual diaphragm style and is engineered to meet OEM specifications for reliable braking performance.

• Remanufactured power brake booster with dual diaphragm design
• Diaphragm diameter: 9.655 inches (245.237 mm)
• Constructed from durable steel material
• Compatible with Nissan 370Z, EX37, G37 and INFINITI Q40, Q60, QX50 models
• Includes booster, instruction manual, and master cylinder neck seal
• Master cylinder stud thread size: M8 x 1.25
• Gray color finish

Cardone Vacuum Power Brake Booster Product Line

The Vacuum Power Brake Booster line from Cardone focuses on remanufactured brake boosters that provide consistent vacuum assist for improved braking control. This product line emphasizes durability and precise fitment, ensuring compatibility with specific vehicle models such as the Nissan 370Z and INFINITI Q60. The 53-8603 part number represents a reliable option within this line, engineered to restore brake booster function without including the master cylinder.

Detailed Product Description

This Cardone power brake booster features a dual diaphragm style with a 9.655-inch diameter, providing effective vacuum assistance to reduce pedal effort. The steel construction enhances durability and resistance to wear. Designed specifically for select Nissan and INFINITI vehicles, this booster is finished in gray and includes essential installation components such as the master cylinder neck seal and an instruction manual. Note that the master cylinder is not included, and the stud thread size is M8 x 1.25 to match OEM specifications.

Common Applications and Issues Addressed

• Restores brake pedal assist in Nissan 370Z and INFINITI Q40 models
• Eliminates hard brake pedal feel caused by failing booster
• Resolves vacuum leaks affecting brake performance
• Addresses inconsistent brake pedal travel or sponginess
• Replaces worn or damaged brake booster components

Installation Notes and Tips

• Ensure compatibility with vehicle make and model before installation
• Follow included instruction manual carefully for proper mounting and connection
• Verify master cylinder stud thread size (M8 x 1.25) matches vehicle specifications
• Inspect vacuum lines and seals during installation to prevent leaks
• Bleed brake system after installation to remove air and ensure proper function

Quality Assurance and Warranty

This remanufactured Cardone Vacuum Power Brake Booster 53-8603 undergoes rigorous testing to meet performance standards. While specific warranty details are not provided here, Cardone products typically come with a limited warranty covering defects in materials and workmanship. Refer to Cardone's official warranty policy for complete information.