Dorman M630471 Brake Master Cylinder

Reliable Brake Master Cylinder for Toyota Yaris

The Dorman M630471 brake master cylinder is designed specifically for Toyota Yaris models, providing precise hydraulic control for your vehicle's braking system. Featuring an aluminum construction and integrated reservoir, this master cylinder ensures consistent brake fluid delivery and reliable performance.

• Master cylinder bore diameter: 0.813 inches for accurate hydraulic pressure
• Durable aluminum material for corrosion resistance and longevity
• Includes reservoir for brake fluid storage
• Equipped with sensor for brake system monitoring
• Two outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0

Product Details and Specifications

The Dorman M630471 brake master cylinder is engineered with a precise 0.813-inch bore diameter to maintain optimal hydraulic pressure within the brake system. Constructed from aluminum, it offers enhanced durability and resistance to corrosion compared to traditional materials. This part includes a built-in reservoir to hold brake fluid, ensuring consistent fluid supply during braking. The master cylinder features two outlets, including a secondary outlet with a 10 mm thread diameter and a rearward outlet sized M10 x 1.0, both with a thread pitch of 1.0, facilitating secure and leak-free connections. Additionally, the integrated sensor supports brake system diagnostics and safety monitoring.

Compatible Applications and Common Issues Addressed

• Replacement for failing or leaking brake master cylinders on Toyota Yaris vehicles
• Resolves issues with inconsistent brake pedal feel or sponginess
• Addresses brake fluid leaks from the master cylinder reservoir or outlets
• Restores proper brake hydraulic pressure for safe stopping performance
• Fixes warning lights related to brake fluid level or pressure sensor faults

Installation Notes and Tips

When installing the Dorman M630471 brake master cylinder on a Toyota Yaris, ensure the brake fluid reservoir is properly filled and free of contaminants. Bleed the brake system thoroughly to remove air pockets and verify that all connections, including the M10 x 1.0 threaded outlets, are securely tightened to prevent leaks. Sensor connectors should be carefully attached to maintain accurate brake system monitoring. Note that mounting hardware is not included and must be reused or sourced separately.

Quality Assurance and Warranty Information

Dorman manufactures the M630471 brake master cylinder to meet or exceed OEM specifications for fit, form, and function on Toyota Yaris models. The aluminum construction and integrated sensor contribute to reliable operation and long service life. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.