Turn clutch-pedal pressure into clean hydraulic clutch release with the Dorman - First Stop Clutch Master Cylinder (CM39315). It drops in as a direct replacement for the 1982-1985 Toyota Celica (L4-2.4L), the 1984-1988 Toyota Corolla (L4-1.6L), the 1984-1985 Toyota Corolla (L4-1.8L), and the 1985-1988 Chevrolet Nova (L4-1.6L).
When you press the clutch pedal, the master cylinder generates hydraulic pressure and sends fluid to the slave cylinder to disengage the clutch for smooth shifting. If a leaking or worn original master cylinder is the cause of a soft pedal or hard shifting, this unit replaces it.
- Direct replacement: built to match the original clutch master used on these specific vehicles.
- Reverse-engineered design: developed from the original equipment so it installs and functions like the part it replaces.
- Durable materials: high-grade rubber components made for compatibility with standard brake fluid.
- Bore size: 0.625 in inside diameter.
- Trustworthy value: backed by a team of engineers and quality-control experts in the United States.
Item grade: Standard Replacement. Package contents: one clutch master cylinder. Country of origin: Taiwan. Manufacturer part number CM39315.
Frequently Asked Questions
What does the Dorman CM39315 do?
It's the clutch master cylinder. When you press the clutch pedal, it generates hydraulic pressure that travels to the slave cylinder to disengage the clutch so you can shift.
Which vehicles does this clutch master cylinder fit?
It's a direct-fit replacement for the 1982-1985 Toyota Celica (L4-2.4L), 1984-1988 Toyota Corolla (L4-1.6L), 1984-1985 Toyota Corolla (L4-1.8L), and 1985-1988 Chevrolet Nova (L4-1.6L). See the Buyer's Guide tab to confirm.
What is the bore size?
The inside diameter (bore) is 0.625 in.
What are signs my clutch master cylinder may need replacing?
Common signs include fluid leaking at the cylinder, a soft or sinking clutch pedal, or difficulty shifting. Diagnose the cause first, as these symptoms can have other sources.
What fluid is it made for, and where is it made?
It includes high-grade rubber components made for compatibility with standard brake fluid. Country of origin: Taiwan.
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