Dorman CM640052 Clutch Master Cylinder Direct Replacement with Reservoir

The Dorman CM640052 is a direct-replacement clutch master cylinder engineered to restore proper hydraulic function to manual transmission vehicles. When the clutch master cylinder leaks or fails, the hydraulic pressure needed to disengage the clutch is lost — making shifting difficult or impossible. This Dorman unit is reverse-engineered to match original equipment dimensions and function for a reliable, bolt-on repair.

Key Features:

• Direct OE replacement — precision-engineered to match original equipment design for a seamless fit
• 0.625 in. bore diameter — matched to factory specifications for correct hydraulic pressure output
• Reservoir included — complete assembly for a straightforward installation
• Push rod included — all necessary components provided out of the box
• Aluminum construction — durable, corrosion-resistant housing built to OE standards
• High-grade rubber internals — compatible with standard DOT brake/clutch fluid
• U.S.-based engineering and quality control — backed by Dorman's team of automotive engineers

OEM Cross-Reference Part Numbers: 4161025010, 4161025012, 4161025013

Dorman has been a trusted name in the automotive aftermarket for over 100 years, delivering replacement parts engineered to save time and money. The CM640052 clutch master cylinder offers OEM-quality performance without the dealer price, making it the smart choice for professional technicians and DIY repairers alike.