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Dorman - First Stop Clutch Master Cylinder P/N:CM640079
$87.99
Press the clutch pedal and the Dorman First Stop Clutch Master Cylinder (CM640079) generates the hydraulic pressure that disengages the clutch so you can shift. It drops in as a direct-fit replacement for the 2002-2006 Mitsubishi Lancer (L4-2.0L), reverse-engineered from the original equipment to match its design and function.
- Direct replacement: built to match the original clutch master cylinder on the listed applications.
- Precise design: reverse-engineered from the factory unit to fit and function reliably.
- Durable materials: includes high-grade rubber components compatible with standard brake fluid.
- 0.625 in bore: Standard Replacement grade, backed by a team of engineers and quality-control experts in the United States.
Signs this part may need replacing include fluid leaks around the cylinder, a clutch pedal that feels spongy or sinks to the floor, and difficulty shifting gears. If a failed clutch master cylinder is the cause, this unit replaces it — diagnose the hydraulic system first, since these symptoms can have other causes. Country of origin: China.
Interchange: M0549 · 072-9670 · 0729670 · 136.46022 · CM452540 · LMC568 · MR491945 · 350193 · CMA350193 · CM142255 · F142255
Manufacturer part number CM640079.
This part cross-references / interchanges with the following part numbers:
M0549, 072-9670, 136.46022, CM452540, LMC568, MR491945, 350193, CMA350193, CM142255, F142255
Frequently Asked Questions
What does this clutch master cylinder do?
When you press the clutch pedal, it generates hydraulic pressure that travels to the slave cylinder to disengage the clutch, letting you shift gears.
What vehicle does the CM640079 fit?
It's a direct-fit replacement for the 2002-2006 Mitsubishi Lancer with the L4-2.0L engine. Check the Buyer's Guide tab to confirm fitment for your vehicle.
What are signs my clutch master cylinder is failing?
Common signs include fluid leaks around the cylinder, a spongy clutch pedal or one that sinks to the floor, and trouble shifting. Diagnose the cause before replacing.
What is the bore size and what fluid does it use?
It has a 0.625 in inside diameter (bore) and includes high-grade rubber components compatible with standard brake fluid.
What interchange numbers does this part replace?
It cross-references M0549, 072-9670, 136.46022, CM452540, LMC568, MR491945, 350193, CMA350193, CM142255, and F142255.
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Dorman - First Stop Clutch Master Cylinder P/N:CM640079
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