HomeTransmission > Manual Transmission ComponentsDorman CM640007 Clutch Master Cylinder
Part #: CM640007

Dorman CM640007 Clutch Master Cylinder

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⚙️ 10 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Explorer Sport Trac, Explorer, and Explorer Sport
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Reliable Clutch Master Cylinder for Ford Explorer Models

The Dorman CM640007 clutch master cylinder is designed as a standard replacement part for manual transmission systems. Engineered with a 0.625-inch bore diameter, this component ensures consistent hydraulic pressure for smooth clutch operation in Ford Explorer, Explorer Sport, and Explorer Sport Trac vehicles.

Key Features of the Dorman CM640007 Clutch Master Cylinder

  • Standard replacement grade for dependable performance
  • Precisely engineered 0.625-inch bore diameter for optimal hydraulic function
  • Includes clutch master cylinder unit in package
  • Compatible with Ford Explorer, Explorer Sport, and Explorer Sport Trac models
  • Part number CM640007 for accurate identification and fitment

Detailed Product Description

The Dorman CM640007 clutch master cylinder is a critical component in the manual transmission hydraulic system. Its 0.625-inch bore diameter is designed to provide the correct hydraulic pressure needed to engage and disengage the clutch smoothly. This standard replacement part meets OEM specifications, making it suitable for Ford Explorer, Explorer Sport, and Explorer Sport Trac vehicles. The clutch master cylinder is responsible for transferring the force from the clutch pedal to the clutch slave cylinder, enabling reliable gear shifts and overall transmission performance.

Common Applications and Issues Addressed

  • Restores proper clutch pedal feel and engagement
  • Eliminates clutch fluid leaks that cause hydraulic failure
  • Resolves issues with clutch pedal sinking or sponginess
  • Prevents clutch disengagement problems during gear shifts
  • Addresses wear-related hydraulic pressure loss in manual transmissions

Installation Notes and Tips

When installing the Dorman CM640007 clutch master cylinder, ensure the hydraulic system is properly bled to remove air pockets. Verify compatibility with your specific Ford Explorer, Explorer Sport, or Explorer Sport Trac model year before installation. Use appropriate tools to avoid damage to the bore and seals. Follow manufacturer torque specifications for mounting bolts to maintain system integrity.

Quality Assurance and Warranty Information

Dorman manufactures the CM640007 clutch master cylinder to meet or exceed OEM standards for durability and performance. This standard replacement part undergoes rigorous quality control to ensure reliable operation. Please refer to Dorman's warranty policy for coverage details applicable to this clutch master cylinder.

BrandDorman
Part NumberCM640007
Bore Diameter0.625
Item GradeStandard Replacement
Package ContentsClutch Master Cylinder

This part fits 10 vehicles. Search below:

YearMakeModelPositionNotes
2005FordExplorer Sport TracN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2004FordExplorer Sport TracN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2003FordExplorerN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2003FordExplorer SportN/A
2003FordExplorer Sport TracN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2002FordExplorerN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2002FordExplorer SportN/A
2002FordExplorer Sport TracN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2001FordExplorer SportN/A
2001FordExplorer Sport TracN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

136.650251L547A543DA800020CM1345CM140132CM452120LMC400M0725

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.