Dorman CM640006 Clutch Master Cylinder

Brand Dorman CM640006
Bore Diameter 0.625
Item Grade Standard Replacement
Package Contents Clutch Master Cylinder
Fits Ford and Mazda · 24 vehicles

Direct replacement. Precision-engineered to match the original equipment design.

Standard replacement. A dependable clutch master cylinder for restoring hydraulic operation.

Cross-references AMS Automotive M0724, Centric Parts 136.65019 and PERFECTION 800019 for the same application. See all 9.

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Dorman CM640006 Clutch Master Cylinder

The Dorman CM640006 clutch master cylinder is a direct replacement for specific Ford Ranger and Mazda B-Series manual transmission applications. It is precision-engineered to match the original equipment design, with a 0.625-inch bore diameter for the correct hydraulic feel and pedal response.

Key Features

  • Direct replacement clutch master cylinder for select manual transmission vehicles
  • 0.625-inch bore diameter for OE-style hydraulic operation
  • Standard replacement grade for everyday service use
  • Built to match original equipment design for the listed applications
  • Package contents: clutch master cylinder

Detailed Description

This Dorman CM640006 clutch master cylinder is made for drivers servicing a leaking or malfunctioning hydraulic clutch system on select Ford Ranger and Mazda B2300, B3000, B4000, and B2500 models. It is a direct-fit replacement that follows the original equipment design, helping restore consistent clutch hydraulic pressure in vehicles with the specified fitment. This part cross-references Centric Parts 136.65019 for the same application.

Fits 2001-2011 Ford Ranger, N/A. Fits 2001-2004 Mazda B2300, N/A. Fits 2001-2004 Mazda B3000, N/A. Fits 2001-2004 Mazda B4000, N/A. Fits 2001 Mazda B2500, N/A.

Common Repair Symptoms

  • Clutch pedal sinks or feels inconsistent
  • Hydraulic fluid leakage at the master cylinder
  • Difficulty disengaging the clutch
  • Soft or spongy clutch pedal response
  • Loss of hydraulic pressure in the clutch system

Installation Notes and Tips

Verify the bore diameter and vehicle application before installation. This part is listed for manual transmission clutch hydraulic service on the specified Ford Ranger and Mazda B-Series models. Confirm the existing system configuration and inspect the hydraulic line and related components for wear or contamination during replacement.

Quality Assurance

Dorman manufactures this clutch master cylinder as a standard replacement part engineered to match original equipment design for the listed vehicles. The CM640006 is intended to provide a reliable service replacement for the confirmed applications.

This part fits 24 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2011FordRangerN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2010FordRangerN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2009FordRangerN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2008FordRangerN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2007FordRangerN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2006FordRangerN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2005FordRangerN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2004FordRangerN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2004MazdaB2300N/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2004MazdaB3000N/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2004MazdaB4000N/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2003FordRangerN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2003MazdaB2300N/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2003MazdaB3000N/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2003MazdaB4000N/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2002FordRangerN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2002MazdaB2300N/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2002MazdaB3000N/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2002MazdaB4000N/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2001FordRangerN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2001MazdaB2300N/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2001MazdaB2500N/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2001MazdaB3000N/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2001MazdaB4000N/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — M0724Centric Parts — 136.65019PERFECTION — 8000191F20419901L5Z7A543CA385-553CM1386CM140827CM451750