Exedy Clutch Release / Slave Cylinder • MX-5 MK1 / MK2 • SC825

Exedy SC825 Clutch Release / Slave Cylinder

Replacement Exedy clutch slave cylinder for Mazda MX-5 MK1 / NA and MK2 / MK2.5 NB manual-transmission models listed in the compatibility table.

The clutch slave cylinder forms part of the hydraulic clutch-release system. Hydraulic pressure generated by the clutch master cylinder moves the slave-cylinder piston, which operates the clutch release fork and allows the clutch to disengage when the pedal is pressed.

The cylinder is externally mounted on the gearbox and one is used per vehicle. SC825 is designed as an aftermarket replacement for the original component on the applications listed.

Common signs of a worn or failing slave cylinder include a soft or spongy clutch pedal, difficulty selecting gears, slow pedal return, loss of clutch pressure, changing bite point or hydraulic fluid leaking from the cylinder.

• Part type: Clutch release / slave cylinder
• Primary use: Clutch hydraulic actuation
• Location: Externally mounted on the gearbox
• Application: Manual transmission vehicles
• Quantity per vehicle: 1
• Quantity supplied: 1 slave cylinder
• Brand: Exedy
• Part No.: SC825
• Designed as an aftermarket replacement for the applications listed in the compatibility table

Fitment advice: SC825 is suitable for the MX-5 MK1 / NA and MK2 / MK2.5 NB manual-transmission applications listed, including 1.6 and 1.8 models. Catalogue data also supports the turbocharged Mazdaspeed / MX-5 1.8 Turbo application. For imported, modified or previously repaired cars, matching the part number or component style on the part being replaced is recommended.

Other items to consider: When replacing the clutch slave cylinder, inspect the clutch master cylinder, hydraulic hose and pipework, clutch release fork and associated components. Fresh brake / clutch fluid is recommended when bleeding the system.

Useful tools / consumables: Flare-nut spanner, suitable brake / clutch fluid, bleed hose and container, brake cleaner and workshop gloves.

Difficulty guide: DIY Difficulty: Moderate. The slave cylinder is externally mounted so gearbox removal is not required, but the hydraulic system must be opened and correctly bled after installation.

Why Exedy? EXEDY is a leading Japanese manufacturer of high-quality clutch and drivetrain components, trusted by major vehicle manufacturers worldwide. Known for excellent fit, reliable performance and long service life, EXEDY parts are an ideal choice for dependable OEM-quality replacement or performance applications.

What’s in the box: One Exedy clutch release / slave cylinder.

Installation notes: Protect surrounding painted surfaces from hydraulic fluid. Clean the hydraulic connection before removing the original cylinder, install the replacement without forcing the pipe fitting, refill with the correct fluid and thoroughly bleed the clutch hydraulic system. Check carefully for leaks and confirm normal clutch pedal return and disengagement before road use.