Dorman CM39645 Clutch Master Cylinder

Reliable Clutch Master Cylinder for Jeep Cherokee, Comanche, and Wagoneer

The Dorman CM39645 clutch master cylinder is designed as a standard replacement part for manual transmission systems. Engineered with a 0.688-inch bore diameter, this component ensures consistent hydraulic pressure for smooth clutch operation in select Jeep models.

• Standard replacement grade for dependable performance
• Precisely sized 0.688-inch bore diameter for accurate hydraulic function
• Compatible with Jeep Cherokee, Comanche, and Wagoneer manual transmissions
• Includes clutch master cylinder component only
• Part number CM39645 for easy identification and ordering

Product Details and Specifications

The Dorman CM39645 clutch master cylinder is manufactured to meet OEM specifications, providing a direct fit for Jeep Cherokee, Comanche, and Wagoneer vehicles equipped with manual transmissions. The 0.688-inch bore diameter is critical for maintaining proper hydraulic pressure, which directly affects clutch engagement and disengagement. This standard replacement part is designed to restore clutch system functionality without requiring modifications or additional components.

Compatible Vehicles and Applications

This clutch master cylinder is compatible with the following Jeep models:

• Jeep Cherokee manual transmission systems
• Jeep Comanche manual transmission systems
• Jeep Wagoneer manual transmission systems

It is intended for use in manual transmission clutch hydraulic systems to replace worn or failing master cylinders that cause clutch engagement issues.

Common Issues Addressed by This Clutch Master Cylinder

• Difficulty shifting gears due to insufficient hydraulic pressure
• Clutch pedal feels spongy or sinks to the floor
• Fluid leaks from the clutch master cylinder
• Delayed clutch engagement or disengagement
• Loss of clutch pedal resistance

Installation Notes and Tips

When installing the Dorman CM39645 clutch master cylinder, ensure the hydraulic system is properly bled to remove air pockets for optimal clutch performance. Verify the bore diameter matches the vehicle’s specifications to avoid fitment issues. Use appropriate tools to avoid damage to the cylinder or surrounding components during installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for quality and durability. The CM39645 clutch master cylinder undergoes rigorous testing to ensure reliable operation in Jeep manual transmission systems. Please refer to Dorman’s warranty policy for specific coverage details.