MPA Electrical NM4144 Brake Master Cylinder

Brake Master Cylinder for Jeep Wrangler

Restore firm, consistent brake pedal feel with this new brake master cylinder from MPA Electrical. Built for 2007-2017 Jeep Wrangler models with front disc brakes, Part Number NM4144 is a standard replacement brake hydraulic component with an aluminum body, plastic reservoir, and DOT 3 fluid compatibility.

MPA Electrical’s New with front disc brakes product line focuses on direct-fit brake hydraulic replacements for Jeep Wrangler applications. Each unit is tested against OE specifications using controlled inspection processes to help deliver reliable braking performance after installation.

• Fits 2007-2017 Jeep Wrangler, new with front disc brakes
• Brake master cylinder with 1-inch bore diameter
• Aluminum master cylinder construction with plastic reservoir
• Reservoir, cap, and gasket/seal included
• Standard replacement grade for brake hydraulic service
• DOT 3 brake fluid application
• Two mounting holes with 0.345-inch mounting hole diameter

This brake master cylinder is used to convert pedal force into hydraulic pressure for the braking system. On Jeep Wrangler models, a worn or leaking master cylinder can lead to a soft pedal, uneven braking response, or fluid loss. Part Number NM4144 is a direct replacement option for maintaining proper brake hydraulic function on the Jeep Wrangler platform.

Common Brake Issues It May Address

• Low or sinking brake pedal
• Internal fluid bypass in the master cylinder
• Brake fluid leakage at the cylinder body or reservoir
• Reduced hydraulic pressure to the brake system
• Inconsistent pedal feel during braking

Installation Notes

Verify vehicle fitment for 2007-2017 Jeep Wrangler models with front disc brakes before installation. This unit does not include mounting hardware, brake booster, push rod, sensor, brake pressure switch, or mounting bracket. Bench bleeding the master cylinder before installation and using fresh DOT 3 brake fluid can help reduce air in the hydraulic system.

Quality Assurance

MPA Electrical tests each brake master cylinder against OE specifications using proprietary processes and strict protocols to help ensure consistent braking performance out of the box. This part cross-references Mopar 68057474AE for the same application. Part Number NM4144 is a new replacement brake master cylinder built for Jeep Wrangler brake service.