MPA Electrical NM4142 Brake Master Cylinder

Brake Master Cylinder for Chrysler and Dodge

Restore brake hydraulic performance with this new MPA Electrical brake master cylinder, part number NM4142. It is a standard replacement for front disc brake applications on select Chrysler 300, Dodge Challenger, Dodge Charger, and Dodge Magnum models.

Built with an aluminum master cylinder body, plastic reservoir, and DOT 3 fluid compatibility, this unit is set up for direct brake system service on vehicles that need a replacement master cylinder with reservoir and cap included.

Key Features

• Standard replacement brake master cylinder for hydraulic brake repair
• Aluminum master cylinder construction with plastic reservoir
• 1.063 bore diameter for the specified application
• Reservoir and master cylinder cap included
• Gasket or seal included
• Two mounting holes with 0.358 mounting hole diameter
• DOT 3 brake fluid type
• New condition

Product Details

MPA Electrical NM4142 is engineered to restore braking performance by matching OE specifications through tested manufacturing processes and application-focused design. This brake master cylinder is intended for Chrysler 300, Dodge Challenger, Dodge Charger, and Dodge Magnum vehicles equipped with front disc brakes, including 2008-2023 Chrysler 300, 2008-2023 Dodge Challenger, 2008-2023 Dodge Charger, and 2008 Dodge Magnum. This part cross-references Mopar 68048551AC for the same application.

Common Repair Symptoms

• Low or inconsistent brake pedal feel
• Brake fluid loss at the master cylinder area
• Internal hydraulic bypass causing poor pedal hold
• Brake warning concerns tied to master cylinder wear
• Reduced braking response after master cylinder failure

Installation Notes

Before installation, verify vehicle fitment, brake booster condition, and brake line routing. Mounting hardware, brake booster, push rod, sensor, brake pressure switch, and mounting bracket are not included. Bench bleed the master cylinder as required, then fill and bleed the system with DOT 3 brake fluid to remove air from the hydraulic circuit.

Quality Assurance

MPA Electrical tests each brake master cylinder against OE specifications using controlled inspection and validation processes to support consistent braking performance out of the box. Part number NM4142 is a new replacement unit built for the listed Chrysler and Dodge front disc brake applications.