Dorman CM640063 Clutch Master Cylinder

Reliable Clutch Master Cylinder for Toyota and Scion Models

The Dorman CM640063 clutch master cylinder is designed to restore proper clutch function in select Toyota and Scion vehicles. Engineered with a 0.625-inch bore diameter and M10 x 1.0 outlet thread size, this component ensures precise hydraulic pressure for smooth clutch operation.

• Bore diameter: 0.625 inches for consistent hydraulic performance
• Outlet thread size: M10 x 1.0 for secure fluid connection
• Port thread diameter: 10 mm to match OEM specifications
• Standard replacement grade for dependable durability
• Includes clutch master cylinder only

Product Details and Specifications

The Dorman CM640063 clutch master cylinder is a standard replacement part designed to meet the exact specifications required by Toyota and Scion manual transmission systems. Its 0.625-inch bore diameter provides the necessary hydraulic pressure to engage and disengage the clutch smoothly. The outlet thread size of M10 x 1.0 and port thread diameter of 10 mm ensure compatibility with the vehicle’s hydraulic lines, maintaining a secure and leak-free connection. This part is compatible with Toyota Echo, xA, and xB models, as well as corresponding Scion vehicles, making it a precise fit for these applications.

Compatible Vehicles and Common Applications

• Compatible with Toyota Echo manual transmission systems
• Suitable for Toyota xA and xB models requiring clutch master cylinder replacement
• Fits Scion vehicles sharing the same manual transmission components
• Addresses issues such as clutch pedal sponginess or failure to disengage
• Resolves hydraulic leaks and loss of clutch pressure

Installation Notes and Tips

When installing the Dorman CM640063 clutch master cylinder, ensure the hydraulic system is properly bled to remove air and restore clutch pedal firmness. Verify that the outlet and port thread sizes match the vehicle’s hydraulic lines to prevent leaks. It is recommended to inspect related components such as the clutch slave cylinder and hydraulic lines during replacement to maintain overall system integrity.

Quality Assurance and Warranty Information

Dorman manufactures the CM640063 clutch master cylinder to meet or exceed OEM standards for fit and function. This standard replacement part undergoes quality checks to ensure reliable performance in Toyota and Scion manual transmission systems. Warranty coverage details can be obtained from the product documentation or manufacturer.