Turn clutch-pedal force into the hydraulic pressure that disengages your clutch with the Dorman - First Stop Clutch Master Cylinder CM640007. It drops in as a direct-fit replacement for the 2002-2003 Ford Explorer (V6-4.0L, V8-4.6L), 2001-2003 Ford Explorer Sport (V6-4.0L), and 2001-2005 Ford Explorer Sport Trac (V6-4.0L).
The clutch master cylinder sits at the top of the hydraulic clutch circuit, converting pedal travel into fluid pressure that is sent on to the slave cylinder. If a leaking or worn-out master cylinder is behind a soft, sinking, or spongy clutch pedal or trouble shifting, this unit replaces it.
- Direct replacement: built to match the original clutch master cylinder on the listed vehicles.
- Reverse-engineered design: developed from the original equipment to fit and function reliably.
- Durable materials: includes high-grade rubber components compatible with standard brake fluid.
- 0.625 in inside diameter bore; supplied as a standard-replacement grade, one cylinder per package.
Backed by a team of engineers and quality-control experts in the United States. Country of origin: China.
Interchange: M0725 · 136.65025 · CM452120 · 1L547A543DA · 1L5Z7A543DA · 3L2Z7A543AA · LMC400 · CM1345 · 800020 · CM140132 · CM141899 · F140132 · F141899
Manufacturer part number CM640007.
This part cross-references / interchanges with the following part numbers:
M0725, 136.65025, CM452120, 1L547A543DA, 1L5Z7A543DA, 3L2Z7A543AA, LMC400, CM1345, 800020, CM140132, CM141899, F140132, F141899
Frequently Asked Questions
What does this clutch master cylinder do?
It converts clutch-pedal force into hydraulic pressure that travels to the slave cylinder to disengage the clutch when you press the pedal.
Which vehicles does CM640007 fit?
The 2002-2003 Ford Explorer (V6-4.0L, V8-4.6L), 2001-2003 Ford Explorer Sport (V6-4.0L), and 2001-2005 Ford Explorer Sport Trac (V6-4.0L). See the "Vehicles it fits" section to confirm your vehicle.
What are signs this part may need replacing?
A soft, spongy, or slowly sinking clutch pedal, fluid leaking near the master cylinder, or difficulty shifting can be signs. Diagnose the cause before replacing, as other parts can produce these symptoms.
What fluid is it compatible with?
It includes high-grade rubber components compatible with standard brake fluid. Follow the vehicle service information for the specified fluid and fill procedure.
What is included in the package?
One clutch master cylinder. The bore inside diameter is 0.625 in, and it is supplied as a standard-replacement grade.
