Cardone 53-2517 Power Brake Booster

Vacuum Power Brake Booster for Mazda Protege

Restore brake assist with this Cardone remanufactured vacuum power brake booster, part number 53-2517. Built for 2001-2003 Mazda Protege and 2002-2003 Mazda Protege5 models that do not use a master cylinder, it is re-engineered and tested to match original equipment performance.

Cardone’s Vacuum Power Brake Booster line focuses on remanufactured brake boosters that are inspected for design improvements where applicable, then tested for fit and function before release.

Key Features

• Remanufactured to match O.E. performance
• Dual diaphragm design with 8.285 in. diaphragm diameter
• Steel construction with gray finish
• 100% O.E. quality seals and check valves installed
• Rust-prohibitive finishing process helps extend service life
• Master cylinder output rods are pre-adjusted when included
• Guaranteed fit and function
• Part number 53-2517

Detailed Description

This Cardone power brake booster is engineered for direct replacement on Mazda Protege and Mazda Protege5 applications listed below. The dual diaphragm layout supports consistent brake assist, while the remanufactured housing is finished to resist corrosion and assembled with quality seals and check valves for dependable operation. Part number 53-2517 is a practical choice when replacing a worn or leaking vacuum booster on a vehicle that requires a booster without a master cylinder.

This part cross-references Mazda BL8M43800 for the same application.

What It Helps Fix

• Hard brake pedal feel from a weak or failing booster
• Reduced brake assist during normal driving
• Vacuum-related brake performance loss
• Brake pedal effort that has increased over time
• Noise or leakage associated with a deteriorated booster

Installation Notes and Tips

• Fits 2001-2003 Mazda Protege, N/A, for vehicles lacking master cylinders.
• Fits 2002-2003 Mazda Protege5, N/A, for vehicles lacking master cylinders.
• Verify master cylinder stud thread size is M8 x 1.25 before installation.
• Confirm the vehicle uses the correct booster configuration before removal of the original unit.
• Follow the included instruction manual and inspect vacuum connections, pushrod alignment, and brake pedal operation after installation.

Quality Assurance

Cardone remanufactured power brake boosters are re-engineered and 100% tested to help ensure proper fit and function. The brand’s process includes O.E.-quality seals and check valves, along with a rust-prohibitive finish for added durability.