Cardone 53-7633 Power Brake Booster

Cardone Vacuum Power Brake Booster 53-7633

Cardone 53-7633 is a remanufactured vacuum power brake booster built for direct replacement in select INFINITI QX60 and Nissan Pathfinder applications. It is re-engineered and tested to match original equipment performance, with fitment-focused details that support a straightforward brake system repair.

Key Features

• Remanufactured to match O.E. performance
• Dual diaphragm design for brake assist support
• Steel housing with gray finish
• 100% tested for fit and 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
• Includes booster, instruction manual, and M/C neck seal

Product Details

This Cardone Vacuum Power Brake Booster line focuses on remanufactured brake boosters that are inspected, upgraded where needed, and tested before release. Part number 53-7633 uses a dual diaphragm style with a 9.548-inch diaphragm diameter and an M8 x 1.25 master cylinder stud thread size. It is a gray steel unit with no master cylinder included, making it a direct replacement choice for drivers servicing the brake assist system on a 2021-2023 INFINITI QX60, 2021-2023 Nissan Pathfinder, 2018-2020 INFINITI QX60, or 2018-2020 Nissan Pathfinder.

This part cross-references Infiniti and Nissan OE number 472109NA0B for the same application.

Common Repair Uses

• Restores brake pedal assist after booster wear or internal leakage
• Addresses a hard brake pedal condition
• Helps correct reduced vacuum assist in the brake system
• Supports repair of brake response issues tied to booster failure
• Replaces a damaged or corroded original booster assembly

Installation Notes

Verify vehicle application before installation, especially on 2018-2020 INFINITI QX60 and Nissan Pathfinder models that use a vacuum power brake booster and lack a master cylinder. Confirm master cylinder stud thread size, booster depth, and pedal linkage alignment during replacement. Follow the included instruction manual and inspect the master cylinder neck seal and vacuum connections before final assembly.

Quality Assurance

Cardone remanufactured brake boosters are tested for fit and function before shipment. The original design is reviewed during remanufacturing, and durability-focused updates are applied where applicable to help deliver consistent O.E.-style performance.