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Dorman CM640123 Clutch Master Cylinder
| Brand | Dorman CM640123 |
|---|---|
| Item Grade | Standard Replacement |
| Package Contents | Clutch Master Cylinder |
| Fits | INFINITI and Nissan · 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 Centric Parts 136.42022, LuK LMC438 and PERFECTION 800053 for the same application. See all 5.
Clutch Master Cylinder Replacement
This Dorman clutch master cylinder is a standard replacement for manual transmission service on select INFINITI G35 and Nissan 350Z applications. Part number CM640123 is engineered to match the original equipment design for a direct-fit repair when the clutch master cylinder is leaking or malfunctioning.
- Standard replacement clutch master cylinder for manual transmission systems
- Direct replacement design for OE-style fit and function
- Built for select 2003-2007 INFINITI G35 and 2003-2006 Nissan 350Z applications
- Package contents: clutch master cylinder
- Cross-reference: LuK LMC438
Fitment Details
Fits 2004-2007 INFINITI G35, N/A. Fits 2004-2006 Nissan 350Z, N/A. Fits 2003 INFINITI G35, N/A, with models from June 2003 onward and a 5/8 inch bore. Fits 2003 Nissan 350Z, N/A, with 5/8 inch bore and from 3/03.
CM640123 is a direct replacement clutch master cylinder for drivers addressing hydraulic clutch issues on the INFINITI G35 and Nissan 350Z. It is precision-engineered to follow the original equipment design, which helps maintain proper clutch pedal hydraulic operation in the specified manual transmission applications.
Common Repair Symptoms
- Clutch fluid leakage at the master cylinder
- Soft or inconsistent clutch pedal feel
- Difficulty disengaging the clutch
- Hydraulic clutch pressure loss
- Clutch engagement problems during shifting
Installation Notes
Verify bore size and model-year coverage before installation, especially for 2003 vehicles with the listed production-date notes. Confirm the hydraulic line connection and bleed the clutch system after installation to remove trapped air and restore pedal feel.
Quality Assurance
Dorman standard replacement components are built to match original equipment design requirements for the listed applications. Part number CM640123 is intended for direct replacement service on the specified INFINITI G35 and Nissan 350Z fitments.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2007 | INFINITI | G35 | N/A | Compatible with drum brake wheel cylinders featuring a 5/8" bore size. |
| 2006 | INFINITI | G35 | N/A | Compatible with drum brake wheel cylinders featuring a 5/8" bore size. |
| 2006 | Nissan | 350Z | N/A | Compatible with drum brake wheel cylinders featuring a 5/8" bore size. |
| 2005 | INFINITI | G35 | N/A | Compatible with drum brake wheel cylinders featuring a 5/8" bore size. |
| 2005 | Nissan | 350Z | N/A | Compatible with drum brake wheel cylinders featuring a 5/8" bore size. |
| 2004 | INFINITI | G35 | N/A | Compatible with drum brake wheel cylinders featuring a 5/8" bore size. |
| 2004 | Nissan | 350Z | N/A | Compatible with drum brake wheel cylinders featuring a 5/8" bore size. |
| 2003 | INFINITI | G35 | N/A | Fitment note: "Fits models from June 2003 onwards with a 5/8 inch bore." |
| 2003 | Nissan | 350Z | N/A | Bore: 5/8 In.; From 3/03 |
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