MPA Electrical NM4268 Brake Master Cylinder

Brake Master Cylinder for Mustang

Restore consistent brake pedal response with this MPA Electrical brake master cylinder, part number NM4268. It is a standard replacement unit for 2010-2014 Ford Mustang models with front disc brakes, built with an aluminum body and a 1.064-inch bore for direct hydraulic performance.

MPA Electrical’s New with front disc brakes product line focuses on replacement brake hydraulics that are tested against OE specifications for fit and function. NM4268 is a new master cylinder for Ford Mustang brake system service, with a gasket or seal included and DOT 3 fluid compatibility.

• Fits 2010-2014 Ford Mustang, N/A, New with front disc brakes
• Standard replacement brake master cylinder
• Aluminum master cylinder construction
• 1.064-inch bore diameter
• Gasket or seal included
• DOT 3 brake fluid type
• Mounting hole quantity: 2

Detailed Product Overview

This brake master cylinder is engineered for Ford Mustang brake hydraulics service where pedal feel, hydraulic pressure, and fluid sealing are critical. The aluminum housing helps keep the unit lightweight, while the 1.064-inch bore supports the braking system specification for the listed Mustang applications. Part number NM4268 cross-references OE-style numbers AR3Z2140A and BR3Z2140A for the same application.

Common Brake Issues Addressed

• Low or inconsistent brake pedal response
• Internal hydraulic leakage in the master cylinder
• Brake fluid loss at the cylinder seal area
• Soft pedal feel after master cylinder wear
• Reduced braking performance in the hydraulic circuit

Installation Notes

Verify vehicle fitment by year and brake configuration before installation. This unit does not include the reservoir, cap, push rod, brake booster, sensor, pressure switch, or mounting hardware. Bench bleeding the master cylinder before final installation helps remove trapped air and supports proper pedal feel after service.

Quality Assurance

MPA Electrical tests each brake master cylinder against OE specifications using controlled procedures and sample-based validation from its OE reference library. NM4268 is supplied new and built as a standard replacement part for dependable brake system restoration.