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Dorman CM640069 Clutch Master Cylinder
Clutch Master Cylinder Replacement
Dorman CM640069 is a standard replacement clutch master cylinder for manual transmission systems that need a direct OE-style hydraulic repair. It is precision-engineered to match the original equipment design for specific vehicle applications, including 2000-2004 Oldsmobile Alero and 2000-2004 Pontiac Grand Am.
With a 0.625 bore diameter and a direct replacement layout, this clutch master cylinder is built for vehicles using a 5/8-inch bore size. The Dorman CM640069 helps restore consistent clutch hydraulic pressure in the Oldsmobile Alero and Pontiac Grand Am applications listed below.
Key Features
- Direct replacement clutch master cylinder for manual transmission service
- 0.625-inch bore diameter for 5/8-inch bore applications
- Standard replacement grade for OE-style fit and function
- Package contents: clutch master cylinder
- Fits 2000-2004 Oldsmobile Alero and 2000-2004 Pontiac Grand Am
Application Details
- Fits 2000-2004 Oldsmobile Alero, N/A; compatible with drum brake wheel cylinders featuring a 5/8" bore size.
- Fits 2000-2004 Pontiac Grand Am, N/A; compatible with drum brake wheel cylinders featuring a 5/8" bore size.
This part cross-references AMS Automotive M0453 and LuK LMC471 for the same application. The Dorman CM640069 part number is also referenced in interchange listings for related OE-style replacement sourcing.
What It Helps Address
- Clutch fluid leakage at the master cylinder
- Inconsistent clutch pedal feel
- Difficulty disengaging the clutch
- Hydraulic pressure loss in the clutch system
- Wear-related failure in the original master cylinder
Installation Notes
Verify bore diameter and vehicle fitment before installation. Confirm the hydraulic line connection and mounting points match the original unit on the vehicle. After installation, bleed the clutch hydraulic system according to service procedures to remove air from the circuit.
Quality Assurance
Dorman manufactures this clutch master cylinder as a direct replacement part engineered to match original equipment design for the listed applications. Part number CM640069 is built as a standard replacement for service on specific Oldsmobile Alero and Pontiac Grand Am manual transmission vehicles.
| Brand | Dorman |
|---|---|
| Part Number | CM640069 |
| Bore Diameter | 0.625 |
| Item Grade | Standard replacement |
| Package Contents | Clutch master cylinder |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2004 | Oldsmobile | Alero | N/A | Compatible with drum brake wheel cylinders featuring a 5/8" bore size. |
| 2004 | Pontiac | Grand Am | N/A | Compatible with drum brake wheel cylinders featuring a 5/8" bore size. |
| 2003 | Oldsmobile | Alero | N/A | Compatible with drum brake wheel cylinders featuring a 5/8" bore size. |
| 2003 | Pontiac | Grand Am | N/A | Compatible with drum brake wheel cylinders featuring a 5/8" bore size. |
| 2002 | Oldsmobile | Alero | N/A | Compatible with drum brake wheel cylinders featuring a 5/8" bore size. |
| 2002 | Pontiac | Grand Am | N/A | Compatible with drum brake wheel cylinders featuring a 5/8" bore size. |
| 2001 | Oldsmobile | Alero | N/A | Compatible with drum brake wheel cylinders featuring a 5/8" bore size. |
| 2001 | Pontiac | Grand Am | N/A | Compatible with drum brake wheel cylinders featuring a 5/8" bore size. |
| 2000 | Oldsmobile | Alero | N/A | Compatible with drum brake wheel cylinders featuring a 5/8" bore size. |
| 2000 | Pontiac | Grand Am | N/A | Compatible with drum brake wheel cylinders featuring a 5/8" bore size. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.