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Dorman CM640204 Clutch Master Cylinder
| Brand | Dorman CM640204 |
|---|---|
| Material | Cast iron |
| Outlet Quantity | 1 |
| Reservoir Included | No |
| Bore Diameter | 0.625 |
| Color/Finish | Black |
| Cylinder Type | Piston |
| Item Grade | Standard replacement |
| Outlet Thread Size | M10 x 1.0 |
| Package Contents | 1 clutch master cylinder |
| Pre-bled/Pre-filled | No |
| Reservoir Type | Single remote |
| Fits | Mazda · 5 vehicles |
Direct replacement. Precision-engineered to match the original equipment design.
Cast iron construction. Built for dependable hydraulic performance and durability.
Piston cylinder design. Standard replacement clutch master cylinder with a single remote reservoir.
Cross-references Centric Parts 136.45113, LuK LMC447 and PERFECTION 800119 for the same application. See all 6.
Clutch Master Cylinder for Mazda RX-8
Dorman CM640204 is a direct replacement clutch master cylinder for select 2004-2008 Mazda RX-8 models. It is precision-engineered to match the original equipment design, with a cast iron body, black finish, and a 0.625 bore diameter for a factory-style hydraulic clutch repair.
Key Features
- Direct replacement clutch master cylinder for select Mazda RX-8 applications
- Cast iron construction with black color/finish
- 0.625 bore diameter for OE-style hydraulic performance
- Piston cylinder design with one outlet
- M10 x 1.0 outlet thread size
- Standard replacement grade for manual transmission service
- Single remote reservoir type; reservoir not included
- Not pre-bled and not pre-filled
Detailed Description
This Dorman clutch master cylinder, part number CM640204, is built for 2004-2008 Mazda RX-8 manual transmission applications where the original clutch master cylinder is leaking or no longer operating correctly. The OE-style design supports a straightforward replacement on the Mazda RX-8 hydraulic clutch system, helping restore consistent clutch pedal operation and fluid transfer. This part cross-references LuK LMC447 for the same application.
Common Issues It Can Address
- Clutch fluid leaking from the master cylinder
- Soft, inconsistent, or sinking clutch pedal feel
- Difficulty disengaging the clutch during shifting
- Loss of hydraulic pressure in the clutch system
- Wear-related malfunction in the original clutch master cylinder
Installation Notes and Tips
Verify vehicle fitment before installation. This clutch master cylinder uses a single outlet with M10 x 1.0 thread size and is not supplied pre-bled or pre-filled, so the hydraulic system will need proper bleeding after installation. Confirm the remote reservoir setup and inspect the clutch hydraulic line, fittings, and related components for wear or contamination during service. Fits 2004-2008 Mazda RX-8, N/A.
Quality Assurance
Dorman designs this replacement to match the original equipment layout for the listed Mazda RX-8 model years. The part is built as a standard replacement component for manual transmission clutch hydraulic service.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2008 | Mazda | RX-8 | N/A | — |
| 2007 | Mazda | RX-8 | N/A | — |
| 2006 | Mazda | RX-8 | N/A | — |
| 2005 | Mazda | RX-8 | N/A | — |
| 2004 | Mazda | RX-8 | N/A | — |
| No rows match your filter. | ||||