Turn each press of the brake pedal into hydraulic pressure at the brakes with the Dorman First Stop master cylinder for the 2013-2020 Dodge Journey, part number M631030. It is a direct-fit replacement for the 2013-2020 Dodge Journey with all engines, with one unit used per vehicle. It is precision-engineered to match the original master cylinder's design, function and performance on the listed applications.
- Precise replacement: The master cylinder is aluminum. Its housing is constructed to match the original part's material for similar performance.
- Durable design: Every rubber component uses a high-quality EPDM compound that resists glycol-based brake fluid.
- 100% new: Made entirely of new, high-quality materials for a safe, durable replacement.
- Strict specifications: Built to meet rigorous SAE International standards.
Specifications: 1.063-inch bore diameter; two outlets, with a rearward outlet size of 7/16-24 in and a secondary outlet thread diameter of 7/16-24 in; two mounting holes. The package contains one master cylinder. The reservoir, cap, sensor, push rod, brake booster, mounting hardware, mounting bracket and bleeder hoses are not included. Transfer or replace the reservoir and cap as directed by the vehicle service procedure. Country of origin: China.
Signs a master cylinder may need replacing include a soft or slowly sinking brake pedal, fluid seeping at the cylinder, or a brake warning light. Diagnose the brake system first. If a failed master cylinder is the cause, M631030 replaces it.
Interchange: 100-4318 · 130.67052
68155423AC · NM4325 · MC391500 · MC391588 · MC146059 · 1004318 · 13067052
This part cross-references / interchanges with the following part numbers:
100-4318, 130.67052, 68155423AC, NM4325, MC391500, MC391588, MC146059
