Dorman M630473 Brake Master Cylinder

Overview of Dorman Brake Master Cylinder M630473

The Dorman Brake Master Cylinder M630473 is designed specifically for Lexus and Toyota vehicles, including the Camry and ES330 models. This brake hydraulics component features a durable aluminum construction and includes a reservoir and sensor for reliable brake system performance.

• Master cylinder bore diameter: 0.875 inches
• Constructed from aluminum for strength and corrosion resistance
• Includes reservoir and sensor for integrated brake fluid management
• Two outlets with secondary outlet thread diameter of 10 mm
• Rearward outlet size: M10 x 1.0 with 1.0 thread pitch
• Mounting hardware not included

Detailed Product Description

The Dorman M630473 brake master cylinder is engineered to meet the specifications required for Lexus Camry and Toyota ES330 brake systems. Its aluminum body offers a balance of lightweight design and durability, helping to maintain consistent hydraulic pressure. The included reservoir ensures proper brake fluid storage, while the integrated sensor provides feedback for brake system monitoring. With two outlets and precise thread dimensions, this master cylinder supports efficient brake fluid distribution to the vehicle’s braking components.

Common Applications and Problem Resolution

• Restores proper brake pedal feel and responsiveness
• Eliminates brake fluid leaks from a worn or damaged master cylinder
• Resolves issues with brake warning lights related to sensor faults
• Addresses inconsistent hydraulic pressure affecting braking performance
• Replaces corroded or cracked master cylinder components

Installation Notes and Tips

Installation of the Dorman M630473 brake master cylinder requires careful attention to brake fluid handling and bleeding procedures. Since mounting hardware is not included, ensure existing hardware is in good condition or obtain replacements as needed. Verify thread pitch and outlet sizes to match vehicle brake lines. Proper sensor connection is essential for brake system diagnostics and warning light functionality.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction provides corrosion resistance and durability under normal operating conditions. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulics components to cover defects in materials and workmanship.