Dorman CM640200 Clutch Master Cylinder

Reliable Clutch Master Cylinder for Manual Transmission Vehicles

The Dorman CM640200 clutch master cylinder is designed to provide consistent hydraulic pressure for smooth clutch operation. Crafted from durable cast iron, this external cylinder is a standard replacement part suitable for various manual transmission applications, including popular makes and models such as Honda Civic and Toyota Corolla.

• Constructed from robust cast iron for long-lasting durability
• External cylinder type with a metallic finish for corrosion resistance
• 1.125-inch bore diameter ensuring proper hydraulic pressure
• Removable reservoir design for easy maintenance
• Outlet thread size M12 x 1.5 and port thread diameter M12 for secure connections
• Standard replacement grade for reliable performance
• Part number CM640200 for precise identification

Product Details and Specifications

The Dorman CM640200 clutch master cylinder features a cast iron construction that withstands the rigors of daily driving and harsh conditions. Its external cylinder design allows for straightforward installation and maintenance. The 1.125-inch bore diameter is engineered to deliver consistent hydraulic pressure to the clutch system, ensuring smooth engagement and disengagement. The metallic finish provides resistance against corrosion, extending the service life of the component. This clutch master cylinder does not include a reservoir but supports a removable reservoir type, allowing for easy fluid checks and replacement. The outlet and port thread sizes (M12 x 1.5 and M12 respectively) are designed to fit securely with compatible hydraulic lines.

Common Applications and Problem Resolution

• Restores clutch hydraulic pressure in vehicles experiencing soft or spongy clutch pedals
• Replaces leaking or damaged clutch master cylinders causing fluid loss
• Addresses clutch engagement issues due to worn or failing master cylinders
• Improves clutch pedal feel and responsiveness in manual transmission cars
• Compatible with manual transmission systems in vehicles like Honda Civic and Toyota Corolla

Installation Notes and Tips

When installing the Dorman CM640200 clutch master cylinder, ensure the hydraulic system is properly bled to remove air pockets, as this part is not pre-bled or pre-filled. Verify thread compatibility with existing hydraulic lines using the M12 x 1.5 outlet and M12 port threads. The removable reservoir design facilitates fluid maintenance but requires careful handling during installation to avoid leaks. It is recommended to inspect related clutch components during replacement to ensure overall system reliability.

Quality Assurance and Warranty Information

Dorman manufactures the CM640200 clutch master cylinder to meet standard replacement specifications, providing dependable performance for manual transmission vehicles. While specific warranty details are not provided, Dorman parts typically undergo rigorous quality control to ensure durability and fitment accuracy. Using this part helps maintain the integrity of the clutch hydraulic system in compatible vehicles.