Dorman CM640185 Clutch Master Cylinder
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Dorman

Dorman CM640185 Clutch Master Cylinder

Brand Dorman CM640185
Item Grade Standard replacement
Outlet Thread Size M10 x 1.0
Package Contents Clutch master cylinder
Port Thread Diameter 10
Fits Subaru · 5 vehicles

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

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

M10 x 1.0 outlet thread size for a precise connection.

Cross-references Beck/Arnley 072-9829 and 37230FG000 for the same application. See all 2.

$97.20Free shipping
In stock · usually ships same day before 1pm CST
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Order total $97.20
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Clutch Master Cylinder for Subaru Manual Transmissions

This Dorman clutch master cylinder is a direct replacement for specific Subaru manual transmission applications. It is precision-engineered to match the original equipment design for reliable clutch hydraulic performance in the 2008-2011 Subaru Impreza and 2008 Subaru Outback.

  • Standard replacement clutch master cylinder for manual transmission service
  • Direct replacement design for OE-style fit and function
  • Outlet thread size: M10 x 1.0
  • Port thread diameter: 10
  • Package contents: clutch master cylinder
  • Part number CM640185 for easy identification

Detailed Product Overview

Dorman CM640185 is built for Subaru drivers needing a replacement clutch master cylinder that matches the original equipment layout. It is intended for manual transmission systems where the clutch hydraulic circuit needs consistent pressure transfer from the pedal to the clutch release mechanism. This part cross-references Beck/Arnley 072-9829 for the same application. Use CM640185 when servicing a 2008-2011 Subaru Impreza or a 2008 Subaru Outback with the matching manual transmission setup.

Common Problems This Part Can Address

  • Clutch pedal going soft or losing hydraulic pressure
  • Fluid leakage at the clutch master cylinder
  • Difficulty disengaging the clutch during shifting
  • Inconsistent pedal feel in Subaru Impreza and Subaru Outback manual transmission systems
  • Hydraulic clutch operation issues caused by a worn master cylinder

Installation Notes and Tips

Verify outlet thread size M10 x 1.0 and port thread diameter 10 before installation. Confirm vehicle year, make, model, and manual transmission configuration against the listed fitment: Fits 2008-2011 Subaru Impreza, N/A; Fits 2008 Subaru Outback, N/A. Inspect the hydraulic line, reservoir connection, and surrounding clutch components for wear or contamination during service. Proper bleeding of the clutch hydraulic system is important after replacement to restore pedal feel and clutch engagement.

Quality Assurance

Dorman standard replacement components are engineered to match original equipment design requirements for specific vehicle applications. CM640185 is built as a direct replacement clutch master cylinder for the listed Subaru fitments, including 2008-2011 Subaru Impreza and 2008 Subaru Outback.

Related reading

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionPositionNotes
2011SubaruImpreza—N/A—
2010SubaruImpreza—N/A—
2009SubaruImpreza—N/A—
2008SubaruImpreza—N/A—
2008SubaruOutbackManualN/A—
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Beck/Arnley — 072-982937230FG000