Dorman M630943 Brake Master Cylinder

Brake Master Cylinder for Dodge Dart

This Dorman brake master cylinder is built for 2014-2016 Dodge Dart applications and is engineered to match the original unit’s design, function, and performance. It uses new, high-quality materials for a direct replacement on the specified vehicles, with a cast iron body, removable reservoir, and integrated sensor.

Key Features

• Fits 2014-2016 Dodge Dart
• Part number M630943
• Brake master cylinder with 0.9375 in. bore diameter
• Cast iron construction for the master cylinder body
• Reservoir included with removable reservoir design
• Two outlets with M10 x 1.0 rearward outlet thread
• Sensor included
• Cross-references Monroe Shocks & Struts (e.g., 130.63079, 68192625AA) for the same application

Detailed Description

Dorman M630943 is a brake master cylinder for 2014, 2015, and 2016 Dodge Dart models. It is designed as an OE-style replacement for the original master cylinder, with the correct bore size, outlet configuration, and reservoir setup for the listed fitment. The cast iron housing and new-material construction support consistent brake hydraulic performance in the original vehicle application.

What It Helps Fix

• Brake pedal that sinks or feels inconsistent
• Loss of hydraulic pressure in the brake system
• External leakage at the master cylinder body or outlets
• Reservoir-related service issues on the Dodge Dart brake system
• Warning light concerns related to the master cylinder sensor

Installation Notes and Tips

Verify the bore diameter, outlet thread size, and reservoir style before installation. This unit does not include mounting hardware, so reuse or source the required hardware separately if needed. After installation, bleed the brake system thoroughly and confirm proper sensor connection and fluid level before returning the vehicle to service. Fits 2014-2016 Dodge Dart, N/A.

Quality Assurance

Dorman manufactures this master cylinder to match the original part’s design and performance requirements for the listed Dodge Dart applications. Part number M630943 is built from new materials and configured for direct replacement use on the specified vehicles.