Dorman M630691 Brake Master Cylinder

Reliable Brake Master Cylinder for Chrysler, Dodge, and Mitsubishi

The Dorman M630691 Brake Master Cylinder is engineered to provide consistent braking performance for select Chrysler, Dodge, and Mitsubishi vehicles. Designed with precision, this master cylinder includes a removable reservoir and integrated sensor to ensure optimal hydraulic function.

• Master cylinder bore diameter: 1.063 inches for precise hydraulic pressure
• Constructed from durable aluminum material for corrosion resistance
• Includes a removable reservoir for easy maintenance
• Equipped with a sensor to monitor brake fluid levels
• Two outlet ports with rearward outlet size M10 x 1.0 thread pitch
• Compatible with Chrysler Sebring, Dodge Stratus, Mitsubishi Eclipse, and Galant models

Product Details and Specifications

The Dorman M630691 master cylinder is crafted from aluminum, providing a lightweight yet sturdy component that resists corrosion and wear. Its 1.063-inch bore diameter ensures proper hydraulic pressure for effective braking. The included removable reservoir simplifies brake fluid inspection and replacement, while the integrated sensor helps monitor fluid levels to maintain safety. Featuring two outlets with a secondary outlet thread diameter of 10 mm and a rearward outlet size of M10 x 1.0, this master cylinder is designed to meet the specific hydraulic requirements of your vehicle. Note that mounting hardware is not included.

Compatible Vehicles and Applications

This brake master cylinder is compatible with several popular models, including:

• Chrysler Sebring
• Dodge Stratus
• Mitsubishi Eclipse
• Mitsubishi Galant

Use the Dorman M630691 to replace a failing or leaking master cylinder in these vehicles to restore proper brake hydraulics.

Common Issues Addressed by This Master Cylinder

• Brake pedal sinking or sponginess due to internal leaks
• Brake fluid leaks from a damaged or worn master cylinder
• Warning lights triggered by faulty brake fluid level sensors
• Reduced braking efficiency caused by improper hydraulic pressure
• Reservoir damage or contamination requiring replacement

Installation Notes and Tips

Installation of the Dorman M630691 requires careful attention to brake system bleeding to remove air and ensure proper hydraulic function. Since mounting hardware is not included, retain or source compatible bolts and fittings. The removable reservoir allows for easier fluid replacement during installation. Verify thread pitch and outlet sizes to ensure proper connection with existing brake lines.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM specifications, using quality aluminum materials and precise machining. The included sensor is tested for reliable operation. While specific warranty details vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation for exact warranty terms.