Dorman CM116209 Clutch Master Cylinder

Overview of Dorman Clutch Master Cylinder CM116209

The Dorman Clutch Master Cylinder CM116209 is designed for reliable manual transmission operation in Chevrolet and GMC trucks. This component ensures consistent hydraulic pressure for smooth clutch engagement in models like the Chevrolet C1500 and GMC K2500.

• Bore diameter of 0.688 inches for precise hydraulic control
• Standard replacement grade for dependable performance
• Outlet thread size M12 x 1.0 for secure hydraulic line connection
• Port thread diameter M12 compatible with OEM specifications
• Includes clutch master cylinder in package contents

Technical Details and Specifications

The CM116209 clutch master cylinder features a 0.688-inch bore diameter, which is critical for maintaining proper hydraulic pressure within the clutch system. Its outlet thread size of M12 x 1.0 and port thread diameter of M12 ensure compatibility with the hydraulic lines on Chevrolet and GMC manual transmission trucks. This standard replacement part meets OEM fitment requirements, making it suitable for models such as the Chevrolet C2500 and GMC K3500. The package contains the clutch master cylinder only, designed to integrate seamlessly with existing clutch systems.

Compatible Vehicles and Applications

This clutch master cylinder is compatible with a range of Chevrolet and GMC trucks, including:

• Chevrolet C1500, C2500, C3500
• GMC K1500, K2500, K3500

It is intended for use in manual transmission systems where hydraulic clutch actuation is required.

Common Issues Addressed by This Clutch Master Cylinder

• Difficulty in clutch pedal engagement or release
• Hydraulic fluid leaks from the master cylinder
• Spongy or inconsistent clutch pedal feel
• Clutch slipping due to insufficient hydraulic pressure
• Failure of clutch disengagement causing gear shifting problems

Installation Notes and Tips

• Ensure the hydraulic system is properly bled after installation to remove air pockets
• Verify thread compatibility with existing hydraulic lines (M12 x 1.0 outlet thread)
• Inspect related clutch components for wear during replacement
• Use manufacturer-recommended brake fluid to maintain system integrity

Quality Assurance and Warranty Information

Dorman provides this clutch master cylinder as a standard replacement part manufactured to meet OEM specifications. The CM116209 undergoes quality control testing to ensure durability and proper function. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.