Dorman CM640197 Clutch Master Cylinder

Reliable Clutch Master Cylinder for Toyota and Scion Vehicles

The Dorman CM640197 clutch master cylinder is designed to provide consistent hydraulic pressure for smooth clutch operation. Engineered with durable plastic material and a metallic finish, this component is a standard replacement part compatible with select Toyota and Scion models.

Key Features of the Dorman CM640197 Clutch Master Cylinder

• Constructed from durable plastic for corrosion resistance and longevity
• 0.625 inch bore diameter ensures proper hydraulic function
• Metallic color and finish for enhanced durability and appearance
• Standard replacement grade suitable for routine maintenance
• Outlet thread size M10 x 1.0 for secure hydraulic line connection
• Includes clutch master cylinder component only

Detailed Product Description

The Dorman CM640197 clutch master cylinder is specifically designed for manual transmission systems in Toyota Yaris and Scion xD vehicles. Its 0.625 inch bore diameter provides the necessary hydraulic pressure to engage and disengage the clutch smoothly. The plastic construction offers resistance to corrosion and wear, while the metallic finish adds durability against environmental factors. The outlet thread size of M10 x 1.0 ensures compatibility with the vehicle’s hydraulic lines, maintaining a secure and leak-free connection. This standard replacement part meets OEM specifications, making it a reliable choice for maintaining clutch performance.

Common Applications and Issues Addressed

• Restores proper clutch pedal feel and hydraulic pressure
• Eliminates clutch engagement problems caused by master cylinder failure
• Prevents hydraulic fluid leaks that can lead to clutch slippage
• Resolves issues with inconsistent clutch operation in Toyota Yaris and Scion xD
• Replaces worn or damaged clutch master cylinders to maintain transmission control

Installation Notes and Tips

When installing the Dorman CM640197 clutch master cylinder, ensure the hydraulic system is properly bled to remove air and maintain optimal clutch performance. Verify that the outlet thread size M10 x 1.0 matches the vehicle’s hydraulic line fittings. It is recommended to inspect related components such as the clutch slave cylinder and hydraulic lines during replacement to ensure overall system integrity.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The CM640197 clutch master cylinder undergoes quality checks to ensure reliable performance. Please refer to Dorman’s warranty policy for specific coverage details.