Dorman CM640185 Clutch Master Cylinder

Reliable Clutch Master Cylinder for Subaru Impreza and Outback

The Dorman CM640185 clutch master cylinder is a standard replacement part designed specifically for manual transmission systems in Subaru Impreza and Outback models. Engineered to meet OEM specifications, this component ensures consistent clutch performance and smooth operation.

• Standard replacement grade for dependable function
• Outlet thread size: M10 x 1.0 for precise fitment
• Port thread diameter: 10 mm for secure hydraulic connections
• Includes clutch master cylinder unit only
• Compatible with Subaru Impreza and Outback manual transmissions

Product Details and Specifications

The Dorman CM640185 clutch master cylinder is manufactured to provide a direct fit replacement for Subaru Impreza and Outback vehicles equipped with manual transmissions. The outlet thread size of M10 x 1.0 and a port thread diameter of 10 mm ensure proper hydraulic line connections, maintaining the integrity of the clutch hydraulic system. This standard replacement part is designed to restore clutch pedal feel and hydraulic pressure, helping to maintain smooth gear engagement and disengagement.

Applications and Common Issues Addressed

• Restores clutch hydraulic pressure for improved pedal response
• Eliminates clutch pedal sponginess or sinking issues
• Replaces leaking or damaged clutch master cylinders
• Prevents clutch disengagement problems during gear shifts
• Addresses fluid contamination or internal seal failure

Installation Notes and Tips

When installing the Dorman CM640185 clutch master cylinder, ensure the hydraulic lines are properly connected to the M10 x 1.0 outlet threads and the 10 mm port threads. Bleed the clutch hydraulic system thoroughly to remove air and restore proper pedal feel. Verify compatibility with your specific Subaru Impreza or Outback model year before installation.

Quality Assurance and Warranty

Dorman manufactures the CM640185 clutch master cylinder to meet or exceed OEM standards for fit, form, and function. This part undergoes quality inspections to ensure reliability and durability. Please refer to Dorman's warranty policy for coverage details on this standard replacement clutch master cylinder.