Dorman CM640214 Clutch Master Cylinder

Overview of Dorman Clutch Master Cylinder CM640214

The Dorman Clutch Master Cylinder CM640214 is designed for manual transmission systems in select Chevrolet and GMC trucks. Engineered with a durable plastic construction and a piston-type cylinder, this clutch master cylinder provides reliable hydraulic pressure transfer for smooth clutch operation.

• Constructed from durable plastic material for corrosion resistance
• Piston-type cylinder design with an 18mm bore diameter
• Standard replacement grade for dependable performance
• Black finish for a clean, OEM-style appearance
• Compatible with Chevrolet Silverado and GMC Sierra models
• Includes clutch master cylinder only; reservoir not included
• Part number CM640214 for precise identification

Detailed Product Description

This clutch master cylinder by Dorman is a direct replacement component tailored for manual transmission systems in Chevrolet and GMC trucks, including Silverado 1500, Silverado 2500 HD, Sierra 1500 Limited, Sierra 2500 HD, and other related models. The plastic material offers resistance to corrosion and wear, extending the service life of the part. Featuring an 18mm bore diameter and piston-type cylinder, it ensures consistent hydraulic pressure to engage and disengage the clutch smoothly. The black finish matches OEM specifications, maintaining the vehicle’s original look. This part is not pre-filled or pre-bled and does not include a reservoir, so proper bleeding during installation is necessary.

Compatible Vehicles and Applications

This clutch master cylinder CM640214 is compatible with the following makes and models:

• Chevrolet Silverado 1500, 1500 LD, 2500, 2500 HD, 3500, 3500 HD
• GMC Sierra, Sierra 1500, Sierra 1500 Limited, Sierra 2500 HD, Sierra 3500 HD
• Chevrolet Cheyenne

Common Issues Addressed by This Clutch Master Cylinder

• Difficulty shifting gears due to hydraulic pressure loss
• Clutch pedal feels spongy or sinks to the floor
• Fluid leaks from the master cylinder area
• Inconsistent clutch engagement or disengagement
• Clutch pedal does not return properly after being depressed

Installation Notes and Tips

• Ensure the hydraulic system is properly bled after installation since the unit is not pre-bled
• Check for leaks around the master cylinder and hydraulic lines
• Use compatible brake fluid as specified by the vehicle manufacturer
• Inspect the clutch slave cylinder and related components during installation
• Follow vehicle-specific service manual instructions for torque specifications and procedures

Quality Assurance and Warranty

Dorman’s clutch master cylinder CM640214 meets standard replacement grade requirements, providing reliable performance for manual transmission systems. While no specific warranty details are provided, Dorman parts typically undergo quality control testing to ensure fit, form, and function. Refer to Dorman’s official documentation or contact the manufacturer for warranty information.