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Dorman CM640198 Clutch Master Cylinder
| Brand | Dorman CM640198 |
|---|---|
| Material | Plastic |
| Bore Diameter | 0.625 |
| Color/Finish | Metallic |
| Item Grade | Standard replacement |
| Outlet Thread Size | M10 x 1.0 |
| Package Contents | Clutch master cylinder |
| Port Thread Diameter | 10 |
| Fits | Scion and Toyota · 35 vehicles |
Direct replacement. Precision-engineered to match original equipment design.
Standard replacement. Plastic construction with a metallic finish.
Clutch master cylinder. Restores hydraulic clutch operation with a direct-fit design.
Cross-references 3142012030 and CMT-138 for the same application. See all 2.
Dorman CM640198 Clutch Master Cylinder
Restore clutch hydraulic performance with this direct replacement clutch master cylinder from Dorman. Built to match the original equipment design for specific Toyota, Scion, and Toyota Matrix applications, it addresses leaking or malfunctioning master cylinders with a standard replacement solution.
Key Features
- Direct replacement for the original clutch master cylinder
- Precision-engineered to match OE design and fitment
- Plastic body with metallic finish
- 0.625 bore diameter for specified applications
- Outlet thread size: M10 x 1.0
- Port thread diameter: 10
- Standard replacement grade for manual transmission hydraulic systems
- Part number CM640198 for easy identification
Detailed Description
The Dorman CM640198 clutch master cylinder is built for manual transmission vehicles that need a replacement for a leaking, worn, or malfunctioning hydraulic master cylinder. It is engineered to follow the original equipment design for select 2008-2019 Toyota Corolla, 2017-2018 Toyota Corolla iM, 2017 Toyota Yaris iA, 2016 Scion iM, 2011-2016 Scion tC, 2008-2015 Scion xB, and 2009-2014 Toyota Matrix applications. This part cross-references 3142012030 and CMT-138 for the same application.
Use CM640198 when you need a clutch master cylinder for Toyota Corolla manual transmission service, Scion tC clutch hydraulic repair, or Toyota Matrix clutch pedal hydraulic restoration. The OE-style dimensions, including the 0.625 bore and M10 x 1.0 outlet thread, support proper hydraulic connection in the listed vehicles.
What It Helps Fix
- Clutch fluid leakage at the master cylinder
- Soft, inconsistent, or failing clutch pedal feel
- Hydraulic pressure loss in the clutch system
- Difficulty disengaging the clutch during shifting
- Wear-related master cylinder malfunction
Installation Notes and Tips
Verify vehicle year, make, model, and manual transmission application before installation. Confirm thread size and bore specifications match the original unit, and inspect the clutch hydraulic line, reservoir connection, and related components for wear or contamination during service. Proper bleeding of the hydraulic system is required after installation to restore pedal operation.
Quality Assurance
This Dorman clutch master cylinder is a standard replacement part engineered for OE-style fit and function in the listed applications. It is designed to provide a reliable service replacement for specific Toyota and Scion manual transmission vehicles.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Toyota | Corolla | 1.8L | L4 | N/A | — |
| 2018 | Toyota | Corolla | — | — | N/A | — |
| 2018 | Toyota | Corolla iM | — | — | N/A | — |
| 2017 | Toyota | Corolla | — | — | N/A | — |
| 2017 | Toyota | Corolla iM | — | — | N/A | — |
| 2017 | Toyota | Yaris iA | — | — | N/A | — |
| 2016 | Scion | iM | — | — | N/A | — |
| 2016 | Scion | tC | — | — | N/A | — |
| 2016 | Toyota | Corolla | — | — | N/A | — |
| 2015 | Scion | tC | — | — | N/A | — |
| 2015 | Scion | xB | — | — | N/A | — |
| 2015 | Toyota | Corolla | — | — | N/A | — |
| 2014 | Scion | tC | — | — | N/A | — |
| 2014 | Scion | xB | — | — | N/A | — |
| 2014 | Toyota | Corolla | — | — | N/A | — |
| 2014 | Toyota | Matrix | — | — | N/A | — |
| 2013 | Scion | tC | — | — | N/A | — |
| 2013 | Scion | xB | — | — | N/A | — |
| 2013 | Toyota | Corolla | — | — | N/A | — |
| 2013 | Toyota | Matrix | — | — | N/A | — |
| 2012 | Scion | tC | — | — | N/A | — |
| 2012 | Scion | xB | — | — | N/A | — |
| 2012 | Toyota | Corolla | — | — | N/A | — |
| 2012 | Toyota | Matrix | — | — | N/A | — |
| 2011 | Scion | tC | — | — | N/A | — |
| 2011 | Scion | xB | — | — | N/A | — |
| 2011 | Toyota | Corolla | — | — | N/A | — |
| 2011 | Toyota | Matrix | — | — | N/A | — |
| 2010 | Scion | xB | — | — | N/A | — |
| 2010 | Toyota | Corolla | — | — | N/A | — |
| 2010 | Toyota | Matrix | — | — | N/A | — |
| 2009 | Scion | xB | — | — | N/A | — |
| 2009 | Toyota | Corolla | — | — | N/A | — |
| 2009 | Toyota | Matrix | — | — | N/A | — |
| 2008 | Scion | xB | — | — | N/A | — |
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