Dorman M630413 Brake Master Cylinder

Reliable Brake Master Cylinder for Pontiac and Toyota Models

The Dorman M630413 Brake Master Cylinder is engineered to restore proper brake hydraulics for select Pontiac and Toyota vehicles. Designed with precision, this master cylinder ensures consistent brake fluid pressure and reliable stopping power for your Corolla, Matrix, or Vibe.

• Master cylinder bore diameter: 20.7 mm for accurate fluid displacement
• Constructed from durable aluminum material for corrosion resistance
• Includes reservoir and sensor for integrated brake system monitoring
• Two outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0
• Compatible with Pontiac and Toyota Corolla, Matrix, and Vibe models

Detailed Features and Specifications

This Dorman brake master cylinder (part number M630413) features a 20.7 mm bore diameter, which is critical for maintaining the correct hydraulic pressure in the brake system. The aluminum construction offers strength and resistance to corrosion, extending the service life of the component. The included reservoir allows for proper brake fluid storage, while the integrated sensor provides real-time feedback to the vehicle’s brake system for enhanced safety. With two outlets and a secondary outlet thread diameter of 10 mm, this master cylinder supports efficient fluid distribution. The rearward outlet size of M10 x 1.0 and thread pitch of 1.0 ensure compatibility with the brake lines on the specified Pontiac and Toyota models.

Compatible Vehicles and Applications

This brake master cylinder is specifically designed for use with the following vehicles:

• Pontiac Vibe
• Toyota Corolla
• Toyota Matrix

It is an ideal replacement part for restoring brake system performance in these models, addressing issues related to brake fluid pressure and pedal feel.

Common Issues Addressed by This Master Cylinder

• Spongy or soft brake pedal response
• Brake fluid leaks from the master cylinder or reservoir
• Brake warning light activation due to sensor faults
• Reduced braking efficiency or inconsistent stopping power
• Contaminated or degraded brake fluid affecting system performance

Installation Notes and Tips

Installation of the Dorman M630413 brake master cylinder requires proper brake system bleeding to remove air and ensure optimal hydraulic pressure. Note that mounting hardware is not included, so existing hardware should be inspected and reused or replaced as necessary. Verify thread sizes and outlet fittings to ensure compatibility with your vehicle’s brake lines. It is recommended to consult the vehicle’s service manual for torque specifications and installation procedures.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable operation within the brake hydraulic system. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake components. Refer to the product packaging or Dorman’s official documentation for exact warranty terms.