Put firm, predictable clutch action back within reach with the Dorman – First Stop Clutch Master Cylinder CM39179. It converts clutch-pedal effort into the hydraulic pressure that actuates the release system to disengage the clutch, and it drops in as a direct-fit replacement for the 1979-1983 Toyota Pickup (L4-2.2L), 1981-1989 Toyota Pickup (L4-2.4L), 1981-1988 Toyota Cressida (L6-2.8L), and 1984-1989 Toyota 4Runner (L4-2.4L).
If a leaking or worn-out master cylinder is the cause of your clutch trouble, this unit replaces it. Signs the master may need replacing include a soft or spongy clutch pedal, a pedal that sinks to the floor, difficulty shifting, or fluid seeping near the pedal; diagnose the cause before replacing. Manufacturer part number CM39179. Country of origin: Taiwan.
What does the Dorman CM39179 clutch master cylinder do?
It converts clutch-pedal effort into hydraulic pressure that actuates the release system to disengage the clutch. If a failed or leaking master is the cause of your clutch trouble, this replaces it.
Which vehicles does this fit?
It's a direct-fit replacement for the 1979-1983 Toyota Pickup (L4-2.2L), 1981-1989 Toyota Pickup (L4-2.4L), 1981-1988 Toyota Cressida (L6-2.8L), and 1984-1989 Toyota 4Runner (L4-2.4L).
What is the bore size?
The bore measures 0.625 in (5/8 in) inside diameter.
What fluid does it use?
Its high-grade rubber components are made for compatibility with standard brake fluid, the hydraulic fluid used in the clutch circuit. Follow the vehicle service information for the correct fluid.
What are signs my clutch master cylinder may need replacing?
Common signs include a soft or spongy clutch pedal, a pedal that sinks to the floor, trouble shifting, or fluid seeping near the pedal. Diagnose the cause before replacing.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.