MPA Electrical NM4126A Brake Master Cylinder

Brake Master Cylinder for Chrysler and Dodge

Restore consistent brake pedal response with this MPA Electrical brake master cylinder, part number NM4126A. It is a standard replacement master cylinder built with an aluminum body, plastic reservoir, and included reservoir cap and seal for service on select 2009-2010 Chrysler 300, Dodge Challenger, and Dodge Charger models with front disc brakes.

Key Features

• Brake master cylinder for hydraulic brake system repair
• Fits 2009-2010 Chrysler 300, N/A, new with front disc brakes
• Fits 2009-2010 Dodge Challenger, N/A, new with front disc brakes
• Fits 2009-2010 Dodge Charger, N/A, new with front disc brakes
• Aluminum master cylinder body with plastic reservoir
• 1-inch bore diameter for OE-style brake system operation
• Includes reservoir, cap, and gasket/seal
• Uses DOT 3 brake fluid
• Two mounting holes with 0.357-inch mounting hole diameter

Product Details

MPA Electrical NM4126A is engineered as a standard replacement brake master cylinder for vehicles that need dependable hydraulic pressure at the brake pedal. The unit is tested against OE specifications using proprietary processes and an OE sample library to help deliver consistent braking performance out of the box. This part cross-references 68048548AA for the same application.

For Chrysler 300, Dodge Challenger, and Dodge Charger applications, NM4126A is a direct-fit brake hydraulics component for vehicles equipped with front disc brakes. The aluminum construction supports durability, while the included reservoir and seal simplify brake system service during master cylinder replacement.

Common Problems This Part Can Address

• Soft or sinking brake pedal caused by internal master cylinder wear
• Brake fluid leakage at the master cylinder body or reservoir area
• Uneven hydraulic pressure in the brake system
• Reduced braking response after master cylinder failure
• Brake warning symptoms related to hydraulic loss in the master cylinder

Installation Notes and Tips

Bleed the brake system thoroughly after installation and use only DOT 3 brake fluid. Verify the vehicle is equipped with front disc brakes before ordering, and confirm the mounting pattern, bore size, and reservoir configuration match the original unit. Mounting hardware, brake booster, push rod, sensor, and brake pressure switch are not included.

Quality Assurance

MPA Electrical tests each brake master cylinder against OE specifications to help ensure proper fit and braking performance. NM4126A is a new standard replacement part built for Chrysler and Dodge brake system service.