Dorman M630156 Brake Master Cylinder

Reliable Brake Master Cylinder for Chrysler, Dodge, and Plymouth

The Dorman M630156 brake master cylinder is engineered to restore proper brake hydraulics in select Chrysler, Dodge, and Plymouth vehicles. Designed specifically for models like the Neon and PT Cruiser, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.

• Master cylinder bore diameter: 0.938 inches for precise hydraulic control
• Constructed from durable aluminum material for corrosion resistance
• Includes reservoir and sensor for integrated brake fluid management
• Two outlet ports with rearward outlet size 7/16-24 and secondary outlet thread diameter 3/8-24 inches
• Package contains the master cylinder unit; mounting hardware not included

Product Details and Specifications

The Dorman M630156 brake master cylinder features a 0.938-inch bore diameter, which is critical for maintaining the correct hydraulic pressure within the brake system. Its aluminum construction offers enhanced durability and resistance to corrosion, extending the service life of the component. This master cylinder comes with an integrated reservoir and sensor, allowing for efficient brake fluid monitoring and management. The unit includes two outlets: a rearward outlet sized at 7/16-24 and a secondary outlet with a 3/8-24 thread diameter, ensuring compatibility with the brake lines on Chrysler Neon and Dodge PT Cruiser models.

Compatible Vehicles and Applications

This brake master cylinder is compatible with the following vehicles:

• Chrysler Neon
• Dodge Neon
• Plymouth Neon
• Dodge PT Cruiser

Use the Dorman M630156 to address brake hydraulic issues specific to these models, ensuring proper brake system function and safety.

Common Issues Addressed by This Master Cylinder

• Brake pedal sinking or sponginess due to internal leaks
• Brake fluid leaks from a worn or damaged master cylinder
• Inconsistent brake pressure causing uneven braking
• Brake warning light activation related to sensor failure
• Reduced braking performance from a faulty reservoir or sensor

Installation Notes and Tips

Installation of the Dorman M630156 brake master cylinder requires careful attention to brake fluid handling and bleeding procedures. Note that mounting hardware is not included, so retain original fasteners or acquire appropriate replacements. Ensure all brake lines are properly connected to the correct outlet ports (7/16-24 rearward outlet and 3/8-24 secondary outlet) to maintain system integrity. After installation, thoroughly bleed the brake system to remove air and verify sensor functionality.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for Chrysler, Dodge, and Plymouth vehicles. The aluminum construction and integrated sensor contribute to reliable performance. While specific warranty details are not provided here, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.