Dorman CM39903 Clutch Master Cylinder
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Dorman

Dorman CM39903 Clutch Master Cylinder

Brand Dorman CM39903
Bore Diameter 0.625
Item Grade Standard Replacement
Package Contents Clutch Master Cylinder
Fits Acura and Honda · 22 vehicles

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

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

Cross-references AMS Automotive M0808, Beck/Arnley 072-8838 and Centric Parts 136.40008 for the same application. See all 16.

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Clutch Master Cylinder for Honda and Acura

The Dorman CM39903 clutch master cylinder is a direct replacement for specific Honda Civic, Honda Civic del Sol, and Acura Integra applications. It is precision-engineered to match the original equipment design, making it a practical choice when the clutch hydraulic system is leaking or not operating correctly.

Key Features

  • Direct replacement clutch master cylinder for manual transmission hydraulic systems
  • Precision-engineered to match original equipment design for specific vehicle applications
  • Standard replacement grade for routine repair and maintenance
  • 0.625 bore diameter for confirmed fitment applications
  • Package contents: clutch master cylinder

Detailed Description

Built for specific fitment, this Dorman clutch master cylinder is intended for 1994-2001 Acura Integra, 1992-2000 Honda Civic, and 1993-1997 Honda Civic del Sol applications. The CM39903 is a direct OE-style replacement that follows the original design layout, helping restore hydraulic clutch operation in vehicles that use the specified 5/8 inch bore size. This part cross-references Beck/Arnley 072-8838 and Sachs SH5036 for the same application.

What It Helps Fix

  • Clutch fluid leakage from a worn or failing master cylinder
  • Soft, inconsistent, or low clutch pedal feel
  • Difficulty disengaging the clutch during shifting
  • Hydraulic pressure loss in the clutch system
  • Clutch operation problems caused by internal seal wear

Installation Notes and Tips

Verify the bore diameter and vehicle application before installation. This part is listed for 1994-2001 Acura Integra, 1992-2000 Honda Civic, and 1993-1997 Honda Civic del Sol models with the specified 5/8 inch bore size. After installation, bleed the clutch hydraulic system thoroughly and inspect the lines, reservoir, and slave cylinder for leaks or contamination.

Quality Assurance

Dorman manufactures this CM39903 as a standard replacement part engineered to match original equipment design for the listed applications.

Related reading

This part fits 22 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2001AcuraIntegraN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2000AcuraIntegraN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2000HondaCivicN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1999AcuraIntegraN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1999HondaCivicN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1998AcuraIntegraN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1998HondaCivicN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1997AcuraIntegraN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1997HondaCivicN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1997HondaCivic del SolN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1996AcuraIntegraN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1996HondaCivicN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1996HondaCivic del SolN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1995AcuraIntegraN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1995HondaCivicN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1995HondaCivic del SolN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1994AcuraIntegraN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1994HondaCivicN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1994HondaCivic del SolN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1993HondaCivicN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1993HondaCivic del SolN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1992HondaCivicN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
Directly replaces or cross-references 16 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — M0808Beck/Arnley — 072-8838Centric Parts — 136.40008Global Parts Distributors LLC — 13016LuK — LMC310PERFECTION — 350064Sachs — SH503618M221623-0800846920S04A01CM1162CM131880CM250010CMA350064M903167Q-54008