Dorman M630860 Brake Master Cylinder

Reliable Brake Master Cylinder for Lexus, Nissan, and Toyota Vehicles

The Dorman M630860 brake master cylinder is engineered to restore proper brake hydraulics in select Lexus, Nissan, and Toyota models. Designed with precision, this master cylinder includes essential components to ensure consistent braking performance and safety.

• Includes brake booster, master cylinder cap, reservoir, and sensor
• Constructed from durable aluminum for long-lasting use
• Features a 0.9375-inch master cylinder bore diameter for optimal hydraulic pressure
• Equipped with two mounting holes and two outlets with M12 x 1.0 thread size
• Removable reservoir design for easy maintenance
• Package includes master cylinder and bleeder kit for efficient installation

Product Details and Specifications

The Dorman M630860 brake master cylinder is designed to meet the specific hydraulic needs of vehicles such as the Lexus ES300, Nissan NV2500, Toyota Camry, and Toyota Solara. Its aluminum construction provides strength and corrosion resistance, while the included brake booster and sensor enhance braking system responsiveness. The master cylinder features a 0.9375-inch bore diameter, which is critical for maintaining proper brake fluid pressure. With two outlets threaded at M12 x 1.0, it supports dual-circuit brake systems. The removable reservoir simplifies fluid checks and refills, and the included bleeder kit aids in removing air from the brake lines during installation.

Compatible Vehicles and Applications

• Restores brake hydraulic function in Lexus ES300 models
• Replaces worn master cylinders in Nissan NV2500 trucks
• Suitable for Toyota Camry brake system repairs
• Compatible with Toyota Solara brake hydraulics maintenance
• Addresses issues related to brake fluid leaks and pressure loss

Installation Notes and Tips

When installing the Dorman M630860 brake master cylinder, ensure the brake system is properly bled using the included bleeder kit to prevent air pockets. The removable reservoir allows for easier fluid handling during installation. Note that mounting hardware and push rod are not included, so retain original components or source separately if needed. Verify the two mounting holes align correctly with your vehicle’s brake booster assembly for a secure fit.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM standards, using high-quality aluminum for durability and corrosion resistance. The product includes a sensor and brake booster to maintain system integrity. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.