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Dorman - First Stop Clutch Master Cylinder P/N:CM39374
$72.99
Convert clutch-pedal effort into the hydraulic pressure that disengages the clutch with the Dorman - First Stop Clutch Master Cylinder CM39374. It drops in as a direct-fit replacement for the 1981-1983 Mazda RX-7 (R2-1.1L), reverse-engineered from the original equipment to install and operate like the factory unit.
- Direct replacement: built to match the original clutch master cylinder used on the listed vehicle.
- Precise design: reverse-engineered from the original equipment to fit seamlessly and function reliably.
- Durable materials: includes high-grade rubber components compatible with standard brake fluid.
- Trustworthy value: backed by a team of engineers and quality-control experts in the United States.
As the pedal end of the clutch hydraulic circuit, this master cylinder converts pedal force into fluid pressure and sends it to the slave cylinder each time you press the clutch. It carries a 0.625 in inside diameter bore. Signs the original may need replacing include fluid leaking at the cylinder, a soft or spongy clutch pedal, or difficulty engaging gears — diagnose the cause before replacing, since other parts can produce the same symptoms, and bleed the hydraulic system after installation. If a failed master cylinder is the cause, this unit replaces it. Country of origin: Taiwan.
Interchange: 18M2036 · M1012 · M903061 · Q-53102 · Q53102 · 072-8099 · 0728099 · 11961 · 136.45102 · CM107142 · LMC222 · CM1130 · G01141400 · 39374 · CMA39374 · F107142
Manufacturer part number CM39374.
This part cross-references / interchanges with the following part numbers:
18M2036, M1012, M903061, Q-53102, 072-8099, 11961, 136.45102, CM107142, LMC222, CM1130, G01141400, 39374, CMA39374, F107142
Frequently Asked Questions
What does a clutch master cylinder do?
It converts the force from your clutch pedal into hydraulic pressure and sends brake fluid to the slave cylinder, which disengages the clutch so you can shift gears.
What vehicle does the CM39374 fit?
It's a direct-fit replacement for the 1981-1983 Mazda RX-7 (R2-1.1L). Check the Buyer's Guide tab to confirm it matches your vehicle.
How do I know if my clutch master cylinder may need replacing?
Fluid leaking at the cylinder, a soft or spongy clutch pedal, or trouble shifting can be signs. Have the cause diagnosed first, since other parts can produce the same symptoms.
What is the bore size and which fluid does it use?
It has a 0.625 in inside diameter bore and uses high-grade rubber components compatible with standard brake fluid. Bleed the clutch hydraulic system after installation.
What's included and where is it made?
The package contains the clutch master cylinder. Country of origin: Taiwan.
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Dorman - First Stop Clutch Master Cylinder P/N:CM39374
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