MPA Electrical NM55336 Brake Master Cylinder

Brake Master Cylinder for Honda and Acura

MPA Electrical NM55336 is a new standard replacement brake master cylinder for vehicles with front disc brakes. It is built with an aluminum body, a 1.063-inch bore, and an included reservoir, cap, and seal for a direct hydraulic service replacement on select Honda and Acura applications.

Compatible with 2003-2006 Acura MDX, 2006-2008 Honda Pilot, and 2006-2008 Honda Ridgeline, this brake master cylinder is a fitment-based solution for restoring pedal feel and hydraulic pressure in the brake system. The NM55336 part number is also referenced for OE-style replacement needs on these applications.

Key Features

• Brand: MPA Electrical
• Part number: NM55336
• Brake master cylinder for brake hydraulic service
• Standard replacement grade
• Aluminum master cylinder construction
• 1.063-inch master cylinder bore diameter
• Reservoir included
• Master cylinder cap included
• Gasket or seal included
• Uses DOT 3 or DOT 4 brake fluid
• New condition

Product Details

MPA Electrical’s New with front disc brakes product line focuses on replacement brake hydraulics for vehicles that need a direct-fit service part. NM55336 is engineered and tested against OE specifications using proprietary processes and strict protocols, with the goal of delivering consistent braking performance after installation. This brake master cylinder is a practical choice for Acura MDX, Honda Pilot, and Honda Ridgeline owners servicing the hydraulic side of the brake system.

This part cross-references OE numbers 46100S3VA11 and 46100SJCA51 for the same application.

Common Problems This Part Can Address

• Low or inconsistent brake pedal response
• Internal master cylinder leakage
• Brake fluid loss at the hydraulic unit
• Soft or sinking pedal feel
• Reduced braking performance from worn hydraulic components

Installation Notes and Tips

• Verify vehicle fitment by year, make, model, and front disc brake configuration before installation.
• Bench bleed the master cylinder before connecting brake lines to help remove trapped air.
• Use DOT 3 or DOT 4 brake fluid as specified.
• Inspect the brake booster, lines, and fittings for wear or contamination during service.
• Mounting hardware, push rod, brake booster, and pressure switch are not included.

Quality Assurance

MPA Electrical tests each unit against OE specifications using controlled procedures and an OE sample library to help ensure consistent out-of-box braking performance. NM55336 is a new replacement brake master cylinder built for dependable hydraulic service on confirmed Honda and Acura applications.