Dorman CM640046 Clutch Master Cylinder

Brand Dorman CM640046
Bore Diameter 0.875
Item Grade Standard Replacement
Package Contents Clutch Master Cylinder
Fits Honda · 9 vehicles

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

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

Cross-references Beck/Arnley 072-9439, Centric Parts 136.40014 and LuK LMC410 for the same application. See all 8.

$58.70Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $58.70
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman CM640046 Clutch Master Cylinder

The Dorman CM640046 clutch master cylinder is a direct replacement for specific Honda Civic applications with a 7/8 in. bore size. It is precision-engineered to match the original equipment design for reliable clutch hydraulic performance in 2001-2005 Honda Civic models.

Key Features

  • Direct replacement clutch master cylinder for manual transmission systems
  • 0.875 in. bore diameter for the specified OE-style hydraulic setup
  • Standard replacement grade for everyday repair use
  • Designed for 2001-2005 Honda Civic fitment
  • Package contents: clutch master cylinder

Detailed Description

Built for the manual transmission category, this Dorman CM640046 clutch master cylinder is made to match the original equipment design used in select Honda Civic vehicles. The 0.875 bore diameter is an important fitment detail for vehicles requiring a 7/8 in. brake master cylinder specification, helping maintain proper hydraulic operation in the clutch system. This part cross-references LuK LMC410 for the same application.

Fits 2001-2005 Honda Civic, N/A. Fits 2001-2005 Honda Civic, N/A, for vehicles requiring a 7/8 in. bore size brake master cylinder specification.

Common Issues This Part May Solve

  • Clutch fluid leakage from a worn or failing master cylinder
  • Soft, inconsistent, or low clutch pedal response
  • Difficulty disengaging the clutch during shifting
  • Hydraulic pressure loss in the clutch system
  • Replacement need after internal seal or bore wear

Installation Notes and Tips

Verify bore diameter and vehicle fitment before installation. Confirm the hydraulic line connection and system routing match the original component on your Honda Civic. After installation, bleed the clutch hydraulic system thoroughly to remove trapped air and restore pedal feel.

Quality Assurance

Dorman manufactures direct replacement components engineered to follow original equipment design requirements for specific vehicle applications. The CM640046 is built as a standard replacement part for service work on the listed Honda Civic fitment.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModel# DoorsPositionNotes
2005HondaCivic4 DoorN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
2005HondaCivic2 DoorN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
2004HondaCivic4 DoorN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
2004HondaCivic2 DoorN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
2003HondaCivic4 DoorN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
2003HondaCivic2 DoorN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
2002HondaCivic4 DoorN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
2002HondaCivic2 DoorN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
2001HondaCivicN/AFits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder.
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Beck/Arnley — 072-9439Centric Parts — 136.40014LuK — LMC410PERFECTION — 80000146920S5AG02CM1330CM140909CM452290