MPA Electrical NM4325 Brake Master Cylinder

Brake Master Cylinder for Dodge Journey

Restore consistent brake pedal response with this MPA Electrical brake master cylinder for the Dodge Journey. Built as a standard replacement for 2012-2020 models with front disc brakes, Part Number NM4325 is engineered to match OE specifications for dependable hydraulic performance.

MPA Electrical’s New with front disc brakes product line focuses on direct-fit brake hydraulics for vehicles that need a reliable replacement master cylinder. This NM4325 unit is a new aluminum master cylinder with a 1.063-inch bore and DOT 3 fluid compatibility.

Key Features

• Fits 2012-2020 Dodge Journey, new with front disc brakes
• Standard replacement brake master cylinder
• Aluminum construction for brake hydraulic service
• 1.063-inch master cylinder bore diameter
• Gasket or seal included
• DOT 3 brake fluid type
• Two mounting holes with 0.346-inch mounting hole diameter
• New product condition

Detailed Description

MPA Electrical NM4325 is a brake master cylinder for Dodge Journey models equipped with front disc brakes. It is built from aluminum and tested against OE specifications using controlled processes and an OE sample library to help ensure consistent braking performance after installation. This part cross-references Mopar 68155423AD for the same application.

Use NM4325 when replacing a worn or leaking master cylinder on a 2012-2020 Dodge Journey. The design includes a seal and uses a 1.063-inch bore diameter, making it a direct hydraulic replacement for vehicles that need restored pedal feel and brake pressure delivery.

What It Helps Fix

• Low or inconsistent brake pedal feel
• Brake fluid leakage at the master cylinder
• Loss of hydraulic pressure in the braking system
• Soft or sinking brake pedal symptoms
• Brake performance decline from internal master cylinder wear

Installation Notes and Tips

• Verify the vehicle is a 2012-2020 Dodge Journey with front disc brakes before installation.
• Reservoir, push rod, brake booster, mounting hardware, and brake pressure switch are not included.
• Bench bleeding the master cylinder before installation helps reduce trapped air in the hydraulic system.
• Use DOT 3 brake fluid and follow the vehicle service procedure for bleeding the brakes after replacement.
• Inspect brake lines, fittings, and the booster pushrod condition during service.

Quality Assurance

MPA Electrical tests each brake master cylinder against OE specifications using proprietary processes and strict protocols to support consistent out-of-box performance. Part Number NM4325 is a new standard replacement brake master cylinder for Dodge Journey brake hydraulic service.