Dorman CM39915 Clutch Master Cylinder

Overview of Dorman Clutch Master Cylinder CM39915

The Dorman Clutch Master Cylinder CM39915 is designed specifically for Subaru Legacy models, providing reliable manual transmission performance. This standard replacement part ensures proper clutch operation with precise bore diameter and thread specifications.

• Bore diameter: 0.625 inches for accurate hydraulic pressure
• Outlet thread size: M10 x 1.0 for secure fluid connection
• Port thread diameter: 10 mm for compatibility with OEM fittings
• Standard replacement grade for dependable function
• Includes clutch master cylinder unit only

Detailed Product Description

The Dorman CM39915 clutch master cylinder is engineered to meet the hydraulic requirements of Subaru Legacy manual transmissions. With a bore diameter of 0.625 inches, it delivers consistent hydraulic pressure to the clutch system, ensuring smooth engagement and disengagement. The outlet thread size of M10 x 1.0 and port thread diameter of 10 mm match OEM specifications, allowing for straightforward installation and reliable fluid transfer. This standard replacement part is designed to restore clutch system performance without modification.

Compatible Vehicles and Applications

This clutch master cylinder is compatible with Subaru Legacy models requiring a 0.625-inch bore diameter and M10 x 1.0 outlet thread size. It is intended for use in manual transmission systems where the original clutch master cylinder has failed or is showing signs of wear.

• Restores clutch hydraulic pressure loss
• Eliminates clutch pedal sponginess or sinking
• Resolves fluid leaks from the master cylinder
• Improves clutch engagement consistency
• Prevents clutch disengagement issues during gear shifts

Installation Notes and Tips

When installing the Dorman CM39915 clutch master cylinder, ensure the hydraulic system is properly bled to remove air pockets. Verify that the outlet and port thread sizes match the vehicle’s hydraulic lines to avoid leaks. Use appropriate tools to avoid damaging the M10 x 1.0 threads during installation. It is recommended to inspect the clutch slave cylinder and related components for wear during replacement.

Quality Assurance and Warranty

Dorman provides this clutch master cylinder as a standard replacement part manufactured to meet OEM specifications. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. This ensures the CM39915 part maintains reliable performance for Subaru Legacy manual transmission systems.