Command crisp clutch release on your 1986-1991 Mazda RX-7 (R2-1.3L) with the Dorman - First Stop Clutch Slave Cylinder CS37704. This external slave cylinder converts hydraulic pressure from the clutch master cylinder into the mechanical push that moves the release fork to disengage the clutch when you press the pedal, and it drops in as a direct replacement for the listed application.
It's built to match the original equipment design on the listed vehicles, installing and operating like the factory unit. If a leaking or failing slave cylinder is behind a soft or sinking clutch pedal or difficult shifting, this part replaces it.
- Direct replacement: made to match the original clutch slave on the listed vehicles for a dependable swap.
- Precise design: reverse-engineered from the original equipment to fit and function like the factory part.
- Durable materials: includes high-grade rubber components compatible with standard brake fluid.
- 0.75 in bore: matched to the original hydraulic specification.
Country of origin: Taiwan. Backed by a team of engineers and quality control experts in the United States.
Interchange: 18F52 · 386-306 · 386306 · S1013 · 24-14103 · 2414103 · W909075 · S-53103 · S53103 · 072-8394 · 0728394 · 12207 · 138.45103 · SC250250 · LSC187 · CS2130 · FB0141920A · 37704 · SC37704 · F103494 · SC103494 · Manufacturer part number CS37704.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this clutch slave cylinder do?
It converts hydraulic pressure from the clutch master cylinder into the mechanical movement that pushes the release fork, disengaging the clutch when you press the pedal.
Will this fit my vehicle?
It's a direct replacement for the 1986-1991 Mazda RX-7 with the R2-1.3L engine. Confirm your details against the Buyer's Guide tab before ordering.
What is the bore size?
This external slave cylinder has a 0.75 in inside diameter (bore), matched to the original hydraulic specification for the listed application.
What fluid is it compatible with?
It includes high-grade rubber components made for compatibility with standard brake fluid. Follow the vehicle service information for the correct fluid and fill procedure.
What are signs this slave cylinder may need replacing?
Common signs include a soft or sinking clutch pedal, fluid leaks at the cylinder, and difficulty shifting. Diagnose the cause before replacing, as other hydraulic parts can share these symptoms.