MPA Electrical NM55628 Brake Master Cylinder

Brake Master Cylinder for Nissan Maxima and Altima

Restore consistent brake pedal response with this MPA Electrical brake master cylinder, part number NM55628. It is a standard replacement brake hydraulic component for Nissan Maxima and Nissan Altima applications with front disc brakes, built with an aluminum master cylinder body, plastic reservoir, and DOT 3 fluid compatibility.

MPA Electrical’s New with front disc brakes product line focuses on direct-fit brake hydraulic replacements for specific vehicle configurations. This NM55628 master cylinder is engineered from OE sample data and tested to OE specifications so the replacement matches the original braking system requirements for the listed Nissan applications.

Key Features

• Part number NM55628 brake master cylinder
• Fits 2016-2022 Nissan Maxima, N/A, New with front disc brakes
• Fits 2013-2018 Nissan Altima, N/A, New with front disc brakes
• Fits 2021 Nissan Altima, N/A, New with front disc brakes
• Aluminum master cylinder construction
• Plastic reservoir with reservoir cap included
• 1-inch master cylinder bore diameter
• Gasket or seal included
• Standard replacement grade
• DOT 3 brake fluid type

Detailed Description

The NM55628 brake master cylinder is a hydraulic replacement for Nissan Maxima and Nissan Altima models listed with front disc brakes. It includes the reservoir and cap, uses a 1-inch bore diameter, and is built from aluminum for the master cylinder body with a plastic reservoir. This part number NM55628 is intended for drivers replacing a worn or leaking master cylinder and restoring normal brake pedal feel in the Nissan Maxima or Nissan Altima brake system.

MPA Electrical validates each unit against OE specifications using proprietary testing processes and strict inspection protocols. The result is a standard replacement brake master cylinder that supports consistent hydraulic performance right out of the box for the specified Nissan applications.

What It Helps Fix

• Soft or spongy brake pedal feel
• Brake fluid leakage at the master cylinder
• Uneven hydraulic pressure in the brake system
• Loss of braking response caused by internal seal wear
• Brake warning symptoms related to master cylinder failure

Installation Notes and Tips

Verify vehicle fitment by year, model, and brake configuration before installation. This master cylinder does not include mounting hardware, brake booster, push rod, sensor, or brake pressure switch. It uses two mounting holes with a 0.350-inch mounting hole diameter and is designed for DOT 3 brake fluid.

Bench bleeding and a full brake system bleed are standard service steps after master cylinder replacement. Inspect brake lines, fittings, and the booster mounting surface before installation to help ensure proper sealing and pedal performance.

Quality Assurance

MPA Electrical tests this brake master cylinder against OE specifications using sample-based engineering and controlled validation procedures. Part number NM55628 is a new standard replacement built to restore braking performance for the listed Nissan Maxima and Nissan Altima applications.