Dorman CM39687 Clutch Master Cylinder

Clutch Master Cylinder for Toyota Corolla

This Dorman clutch master cylinder is a direct replacement for specific Toyota Corolla applications from 1980-1982. It is precision-engineered to match the original equipment design, helping restore consistent hydraulic clutch operation in vehicles with a 5/8" bore size.

Key Features

• Direct replacement clutch master cylinder for manual transmission systems
• 0.625 bore diameter for the specified application
• Standard replacement grade for everyday service use
• Designed for 1980-1982 Toyota Corolla models
• Cross-references Four Seasons 39687 for the same application
• Part number CM39687 for ordering and catalog lookup

Detailed Description

Dorman CM39687 is built for drivers servicing a Toyota Corolla clutch hydraulic system that requires a 5/8" bore master cylinder. As a direct replacement, it follows the original equipment design for the listed vehicle years, making it a practical choice when the factory unit is leaking, sticking, or no longer maintaining proper hydraulic pressure. The CM39687 part number is also useful when comparing replacement options against other catalog listings for the same application.

This clutch master cylinder is intended for 1980-1982 Toyota Corolla models and is suited to manual transmission repair work where accurate pedal feel and hydraulic response matter. If you are searching for a clutch master cylinder for 1980 Toyota Corolla, 1981 Toyota Corolla, or 1982 Toyota Corolla service, this unit matches the confirmed fitment and bore specification.

What It Helps Fix

• Clutch fluid leakage from a worn master cylinder
• Soft or inconsistent clutch pedal feel
• Difficulty disengaging the clutch during shifting
• Loss of hydraulic pressure in the clutch system
• Malfunction caused by internal seal wear or cylinder wear

Installation Notes and Tips

Verify the bore diameter before installation and confirm the vehicle is a 1980-1982 Toyota Corolla with the listed 5/8" bore requirement. Inspect the hydraulic line, reservoir connection, and related clutch components for wear or contamination before installing the new master cylinder. After installation, bleed the clutch hydraulic system thoroughly to remove trapped air and restore proper pedal operation.

Quality Assurance

Dorman manufactures this part as a standard replacement component engineered to match the original equipment design for the specified application. This helps support a reliable repair on the confirmed Toyota Corolla fitment.