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Dorman - First Stop Clutch Master Cylinder P/N:CM640078
$59.99
Move hydraulic pressure from pedal to clutch with the Dorman First Stop Clutch Master Cylinder CM640078. When you press the clutch pedal, the master cylinder converts that motion into hydraulic pressure that travels to the slave cylinder to disengage the clutch. It drops in as a direct replacement for the 1999-2001 Daewoo Lanos (L4-1.5L, L4-1.6L) and Leganza (L4-2.2L), 2006-2018 Chevrolet Aveo (L4-1.6L), and 2007-2009 Pontiac G3 (L4-1.6L). If a leaking or worn clutch master cylinder is behind a soft, spongy pedal or trouble shifting, this unit replaces it.
- Direct replacement: reverse-engineered from the original equipment so it installs and operates like the clutch master it replaces on the covered vehicles.
- Durable materials: high-grade rubber components for compatibility with standard brake fluid.
- 0.625 in bore: inside diameter of 0.625 in.
- Standard-replacement grade, backed by a team of engineers and quality-control experts in the United States.
Country of origin: China.
Interchange: M1202 · 072-9420 · 0729420 · 136.49000 · CM452530 · 96249472 · 96249473 · 96652652 · LMC617 · 800044 · CM143704 · F143704
Manufacturer part number CM640078.
This part cross-references / interchanges with the following part numbers:
M1202, 072-9420, 136.49000, CM452530, 96249472, 96249473, 96652652, LMC617, 800044, CM143704, F143704
Frequently Asked Questions
What does a clutch master cylinder do?
When you press the clutch pedal, it converts that motion into hydraulic pressure that travels to the slave cylinder to disengage the clutch for shifting.
Does this fit my vehicle?
It's a direct replacement for the 1999-2001 Daewoo Lanos (L4-1.5L, L4-1.6L) and Leganza (L4-2.2L), 2006-2018 Chevrolet Aveo (L4-1.6L), and 2007-2009 Pontiac G3 (L4-1.6L). See the Buyer's Guide tab.
What are signs the clutch master cylinder may need replacing?
Signs that may point to it include fluid leaking from the unit, a soft or spongy clutch pedal, and difficulty disengaging the clutch or shifting. Diagnose the cause before replacing.
What fluid and rubber components does it use?
It includes high-grade rubber components made for compatibility with standard brake fluid.
What is the bore size and where is it made?
It has a 0.625 in inside diameter (bore). Country of origin: China.
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Dorman - First Stop Clutch Master Cylinder P/N:CM640078
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