MPA Electrical NM55418 Brake Master Cylinder

Brake Master Cylinder for Mazda CX-7

Restore consistent brake pedal response with this MPA Electrical brake master cylinder, part number NM55418. It is a standard replacement for 2007-2012 Mazda CX-7 models with front disc brakes and is built with an aluminum body for direct hydraulic service.

Key Features

• Fits 2007-2012 Mazda CX-7, front disc brakes
• Standard replacement brake master cylinder
• Aluminum master cylinder construction
• 0.882 in. bore diameter
• 2 mounting holes with 0.346 in. mounting hole diameter
• Gasket or seal included
• New product condition
• Part number NM55418

Product Details

MPA Electrical NM55418 is a brake master cylinder engineered for brake hydraulic restoration on the Mazda CX-7. The aluminum housing, 0.882-inch bore diameter, and sealed service components support proper hydraulic pressure transfer in vehicles equipped with front disc brakes. This part cross-references Monroe Shocks & Struts (e.g., L232-43-40Z) for the same application.

Common Problems It Can Address

• Low or inconsistent brake pedal feel
• Internal hydraulic leakage at the master cylinder
• Brake fluid loss around the cylinder seals
• Reduced braking response from worn master cylinder components
• Brake system performance issues on Mazda CX-7 models

Installation Notes

Verify vehicle fitment by year and brake configuration before installation. This unit does not include the brake booster, reservoir, cap, push rod, sensor, pressure switch, mounting hardware, or mounting bracket. Inspect the brake hydraulic system, bleed the system after installation, and confirm all connections are clean and properly sealed.

Quality Assurance

MPA Electrical states that its brake master cylinders are tested against OE specifications using proprietary processes and strict protocols, with development based on an OE sample library to support consistent braking performance out of the box.