MPA Electrical NM55141 Brake Master Cylinder

Brake Master Cylinder for Honda Civic

Restore consistent brake pedal feel with this MPA Electrical brake master cylinder for the 2001-2005 Honda Civic with front disc brakes. Built as a standard replacement, NM55141 is engineered to match OE specifications for dependable hydraulic performance after repair or replacement.

The MPA Electrical New with front disc brakes product line focuses on direct-fit brake hydraulic components for vehicles that need a reliable OE-style replacement. This brake master cylinder uses an aluminum body with a plastic reservoir and includes the reservoir and cap for a cleaner service replacement on the Honda Civic brake system.

Key Features

• Fits 2001-2005 Honda Civic, N/A, New with front disc brakes
• Part number NM55141
• Standard replacement brake master cylinder
• Aluminum master cylinder construction with plastic reservoir
• Master cylinder bore diameter: 0.813 in.
• Reservoir and cap included
• Uses DOT 3 or DOT 4 brake fluid
• Two mounting holes with 0.362 in. mounting hole diameter
• New product condition

Product Details

MPA Electrical NM55141 is a brake master cylinder for Honda Civic models equipped with front disc brakes. It is tested against OE specifications using controlled processes and sample-based validation to help restore braking performance and hydraulic consistency. The aluminum master cylinder body and plastic reservoir are paired for standard replacement service, while the 0.813-inch bore supports the factory-style brake system layout.

This part cross-references Honda 46100S5DL01 for the same application. Use NM55141 when replacing a worn or leaking Honda Civic master cylinder and when you need a direct replacement for 2001-2005 Civic brake hydraulics.

Common Repair Symptoms

• Low or sinking brake pedal
• Brake fluid leakage around the master cylinder
• Uneven or inconsistent pedal response
• Loss of hydraulic pressure in the brake system
• Brake warning concerns tied to master cylinder wear

Installation Notes

• Verify vehicle fitment for 2001-2005 Honda Civic, front disc brakes before installation.
• Bench bleed the master cylinder before connecting brake lines.
• Transfer or source any required mounting hardware separately, as hardware is not included.
• Use only DOT 3 or DOT 4 brake fluid.
• Inspect brake lines, booster condition, and fluid contamination during service.

Quality Assurance

MPA Electrical tests each brake master cylinder against OE specifications using proprietary procedures and strict protocols to support consistent braking performance out of the box. NM55141 is a new standard replacement part built for direct service on the Honda Civic brake hydraulic system.