Dorman CM640039 Clutch Master Cylinder

Brand Dorman CM640039
Bore Diameter 0.625
Item Grade Standard replacement
Outlet Thread Size M10 x 1.0
Package Contents Clutch master cylinder
Port Thread Diameter 10
Fits Hyundai · 6 vehicles

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

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

Clutch master cylinder. Built for manual transmission hydraulic systems.

Cross-references AMS Automotive M0542, Beck/Arnley 072-9455 and Centric Parts 136.51002 for the same application. See all 13.

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Dorman CM640039 Clutch Master Cylinder

Restore hydraulic clutch operation with this Dorman clutch master cylinder, engineered as a direct replacement for specific Hyundai applications. The 0.625-inch bore diameter and M10 x 1.0 outlet thread size support OE-style fitment for a dependable manual transmission repair.

Key Features

  • Direct replacement clutch master cylinder for manual transmission systems
  • 0.625-inch bore diameter for OE-style hydraulic performance
  • Outlet thread size: M10 x 1.0
  • Standard replacement grade for service repairs
  • Precision-engineered to match original equipment design
  • Part number CM640039 for ordering and cross-reference

Detailed Description

Dorman CM640039 is built for specific Hyundai Elantra and Hyundai Tiburon manual transmission applications where the original clutch master cylinder has leaked or stopped functioning correctly. It is designed to match the original equipment layout and hydraulic specifications, including the 5/8-inch bore size and 10 mm port thread diameter, helping maintain consistent clutch pedal feel and fluid transfer. This clutch master cylinder is a practical replacement for drivers searching for a 2001-2004 Hyundai Elantra clutch master cylinder or a 2003-2004 Hyundai Tiburon clutch master cylinder.

This part cross-references Beck/Arnley 072-9455 for the same application.

What It Helps Fix

  • Clutch fluid leakage from the master cylinder
  • Soft, inconsistent, or failing clutch pedal response
  • Difficulty disengaging the clutch during shifting
  • Hydraulic pressure loss in the clutch system
  • Wear-related replacement needs on manual transmission vehicles

Installation Notes and Tips

Verify bore diameter, outlet thread size, and vehicle fitment before installation. This unit is listed for 2001-2004 Hyundai Elantra and 2003-2004 Hyundai Tiburon applications, with notes indicating compatibility with drum brake wheel cylinders featuring a 5/8-inch bore size. Confirm hydraulic line thread engagement and bleed the clutch system thoroughly after installation.

Quality Assurance

Dorman manufactures this clutch master cylinder as a standard replacement part engineered to match original equipment design for the listed Hyundai applications. Part number CM640039 is intended for direct replacement use in specific vehicle years, makes, and models.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2004HyundaiElantraN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2004HyundaiTiburonN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2003HyundaiElantraN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2003HyundaiTiburonN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2002HyundaiElantraN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2001HyundaiElantraN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
Directly replaces or cross-references 13 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — M0542Beck/Arnley — 072-9455Centric Parts — 136.51002LuK — LMC379PERFECTION — 350184416102D100CM1415CM140123CM450170CMA350222M903311Q-52204SH5228