HomeDorman CM640031 Clutch Master Cylinder
Part #: CM640031

Dorman CM640031 Clutch Master Cylinder

⚙️ 18 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Honda and Isuzu, Amigo, Passport, Rodeo, and Rodeo Sport
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Reliable Clutch Master Cylinder for Honda and Isuzu Vehicles

The Dorman CM640031 clutch master cylinder is designed to restore proper clutch function in select Honda and Isuzu models. Engineered with a 0.625-inch bore diameter, this standard replacement part ensures consistent hydraulic pressure for smooth clutch operation.

  • Standard replacement grade for dependable performance
  • 0.625-inch bore diameter for precise hydraulic control
  • Compatible with Honda Amigo and Passport models
  • Compatible with Isuzu Rodeo and Rodeo Sport models
  • Includes clutch master cylinder component only

Product Details and Specifications

This clutch master cylinder from Dorman is manufactured to meet OEM specifications, providing a direct fit for manual transmission systems in Honda Amigo, Honda Passport, Isuzu Rodeo, and Isuzu Rodeo Sport vehicles. The 0.625-inch bore diameter is critical for maintaining the correct hydraulic pressure needed to engage and disengage the clutch smoothly. As a standard replacement part, it offers reliable durability and consistent performance without requiring modifications.

Applications and Common Issues Addressed

  • Restores clutch hydraulic pressure for proper pedal feel
  • Eliminates clutch slippage caused by master cylinder failure
  • Resolves difficulty in shifting gears due to hydraulic leaks
  • Prevents clutch pedal sinking or sponginess
  • Addresses fluid contamination or internal seal wear

Installation Notes and Tips

When installing the Dorman CM640031 clutch master cylinder, ensure the hydraulic system is properly bled to remove air pockets for optimal clutch performance. Verify compatibility with your specific Honda Amigo, Honda Passport, Isuzu Rodeo, or Isuzu Rodeo Sport model year before installation. Use appropriate tools to avoid damage to the bore and seals during replacement.

Quality Assurance and Warranty

Dorman manufactures this clutch master cylinder to meet industry standards for manual transmission components. The part number CM640031 is backed by Dorman's quality control processes to ensure fit and function. Please consult Dorman's warranty policy for coverage details related to this standard replacement clutch master cylinder.

BrandDorman
Part NumberCM640031
Bore Diameter0.625
Item GradeStandard replacement
Package ContentsClutch master cylinder

This part fits 18 vehicles. Search below:

YearMakeModelPositionNotes
2004IsuzuRodeoN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2003IsuzuRodeoN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2003IsuzuRodeo SportN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2002HondaPassportN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2002IsuzuRodeoN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2002IsuzuRodeo SportN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2001HondaPassportN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2001IsuzuRodeoN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2001IsuzuRodeo SportN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2000HondaPassportN/ABore: 5/8 In.; From 5/00
2000IsuzuAmigoN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2000IsuzuRodeoN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1999HondaPassportN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1999IsuzuAmigoN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1999IsuzuRodeoN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1998HondaPassportN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1998IsuzuAmigoN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1998IsuzuRodeoN/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:

072-962013503136.43005350123385-503897125025097259140CM134564CM450120CMA350123LMC366M0905M903278Q-54010

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