Dorman CM640159 Clutch Master Cylinder

Overview of Dorman Clutch Master Cylinder CM640159

The Dorman Clutch Master Cylinder CM640159 is designed for manual transmission systems in Dodge and Jeep vehicles, specifically the Liberty and Nitro models. This clutch master cylinder features a durable plastic construction and a piston-type cylinder to ensure reliable clutch operation.

• Material: Plastic for corrosion resistance and lightweight design
• Outlet Quantity: 2 outlets for efficient hydraulic fluid flow
• Reservoir Included: No, designed for use with a remote reservoir
• Bore Diameter: 0.75 inches for precise hydraulic pressure
• Color/Finish: Black finish for compatibility and durability
• Cylinder Type: Piston style for consistent clutch engagement
• Item Grade: Standard replacement quality
• Package Contents: Includes clutch master cylinder only
• Pre-bled/Pre-filled: No, requires bleeding during installation
• Reservoir Type: Remote reservoir compatible

Detailed Product Description

The Dorman CM640159 clutch master cylinder is engineered to meet the specifications required for Dodge Liberty and Jeep Nitro manual transmissions. Its plastic body offers resistance to corrosion and wear, while the 0.75-inch bore diameter ensures proper hydraulic pressure for smooth clutch operation. The piston-type cylinder design provides consistent and reliable clutch engagement, essential for maintaining vehicle drivability. This part is a standard replacement unit, intended to restore the clutch hydraulic system to factory performance levels. Note that the clutch master cylinder does not include a reservoir and is designed to work with a remote reservoir setup, which is common in these vehicle models.

Common Applications and Problem Resolution

• Restores clutch hydraulic pressure in Dodge Liberty and Jeep Nitro manual transmissions
• Replaces leaking or damaged clutch master cylinders causing clutch engagement issues
• Addresses spongy or unresponsive clutch pedal feel
• Solves clutch fluid leaks due to worn seals or cracked cylinder housing
• Improves clutch system reliability and pedal consistency

Installation Notes and Tips

• Compatible with Dodge Liberty and Jeep Nitro models equipped with manual transmissions
• Requires bleeding of the clutch hydraulic system after installation to remove air
• Ensure the remote reservoir is properly connected and filled with the correct brake fluid
• Inspect related clutch hydraulic components for wear during installation
• Follow vehicle manufacturer torque specifications for mounting hardware

Quality Assurance and Warranty

Dorman provides this clutch master cylinder as a standard replacement part manufactured to meet OEM specifications. The plastic construction and piston design are tested for durability and performance under normal operating conditions. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official documentation for exact warranty terms.