MPA Electrical NM55401 Brake Master Cylinder

Brake Master Cylinder for Nissan 350Z and INFINITI G35

Restore consistent brake pedal response with this new brake master cylinder from MPA Electrical. Built as a standard replacement for vehicles with front disc brakes, it is engineered to match OE specifications for dependable hydraulic performance on the road.

Fits 2003-2009 Nissan 350Z, N/A. Fits 2004 INFINITI G35, N/A. Part number NM55401 is a direct-reference brake master cylinder for these applications.

Key Features

• Aluminum master cylinder body with a plastic reservoir
• 1.064-inch bore diameter for hydraulic brake system operation
• Reservoir included with cap and gasket/seal included
• Standard replacement grade for OE-style fit and function
• Uses DOT 3 brake fluid
• Two mounting holes with 0.344-inch mounting hole diameter
• New condition, with no brake booster, push rod, sensor, or pressure switch included

Product Details

MPA Electrical NM55401 is a brake master cylinder built to restore braking performance in the Nissan 350Z and INFINITI G35 applications listed above. The unit is tested against OE specifications using controlled inspection processes and sample-based validation, helping ensure consistent hydraulic output and pedal feel after replacement. This part cross-references 46010-CD027 for the same application.

The MPA Electrical New with front disc brakes product line focuses on OE-style brake hydraulics for vehicles that require accurate fluid displacement and reliable sealing. For drivers searching for a brake master cylinder for 2003-2009 Nissan 350Z or a brake master cylinder for 2004 INFINITI G35, NM55401 provides a direct-fit replacement solution built around the original system requirements.

Common Problems This Part Can Address

• Low or inconsistent brake pedal response
• Internal hydraulic leakage in the master cylinder
• Brake fluid loss at the reservoir or seals
• Uneven braking feel caused by worn master cylinder components
• Reduced braking performance in front disc brake systems

Installation Notes and Tips

Confirm vehicle fitment by year, make, model, and brake configuration before installation. Use DOT 3 brake fluid only, and inspect the brake lines, reservoir seals, and mounting surfaces during replacement. Bleed the brake system thoroughly after installation to remove trapped air and restore proper pedal feel. Mounting hardware, brake booster, push rod, sensor, and brake pressure switch are not included.

Quality Assurance

MPA Electrical tests each master cylinder against OE specifications using proprietary procedures and strict protocols to support consistent braking performance out of the box. NM55401 is a new standard replacement part designed for the listed Nissan 350Z and INFINITI G35 applications.