Dorman M630478 Brake Master Cylinder

Reliable Brake Master Cylinder for Toyota Tacoma

The Dorman M630478 brake master cylinder is designed specifically for Toyota Tacoma models, providing precise hydraulic control for your vehicle's braking system. Featuring an aluminum construction and integrated reservoir, this master cylinder ensures consistent brake performance and durability.

• Master cylinder bore diameter: 1.625 inches for accurate hydraulic pressure
• Constructed from durable aluminum material
• Includes reservoir for brake fluid storage
• Equipped with a sensor for monitoring brake system status
• Two outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0

Product Details and Specifications

The Dorman M630478 brake master cylinder is engineered to meet the hydraulic requirements of Toyota Tacoma vehicles. Its 1.625-inch bore diameter allows for precise modulation of brake fluid pressure, essential for safe and responsive braking. The aluminum body offers corrosion resistance and long service life, while the included reservoir simplifies fluid management. This master cylinder features two outlets, including a secondary outlet with a 10 mm thread diameter, designed to integrate seamlessly with the Tacoma's brake lines. Additionally, the built-in sensor provides real-time feedback to the vehicle’s brake system, enhancing safety and diagnostics.

Common Applications and Problem Resolution

• Replaces worn or leaking brake master cylinders in Toyota Tacoma models
• Addresses brake pedal sponginess or reduced braking efficiency
• Resolves brake fluid leaks from the master cylinder assembly
• Restores proper brake fluid pressure and pedal feel
• Fixes warning light issues related to brake fluid level or pressure sensors

Installation Notes and Tips

Installation of the Dorman M630478 brake master cylinder requires careful attention to brake fluid handling and bleeding procedures. Ensure the brake system is properly bled after installation to remove air and maintain optimal braking performance. Note that mounting hardware is not included, so retain original fasteners or acquire appropriate replacements. Verify compatibility with your specific Toyota Tacoma year and model before installation.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable operation under normal driving conditions. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.