Sachs SH6421 Clutch Slave Cylinder
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Sachs

Sachs SH6421 Clutch Slave Cylinder

Brand Sachs SH6421
Fits Mazda · 2 vehicles

Clutch slave cylinder. Transfers hydraulic force for smooth clutch engagement.

Cross-references B18141920 for the same application. See all 1.

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Sachs SH6421 Clutch Slave Cylinder

The Sachs SH6421 clutch slave cylinder is a direct-fit manual transmission component for select Mazda applications. It is listed for 1988-1989 Mazda 323 models and is a practical choice when replacing a leaking or failing hydraulic clutch slave cylinder.

Key Features

  • Clutch slave cylinder for manual transmission hydraulic systems
  • Fits 1988-1989 Mazda 323
  • OE-style replacement from Sachs
  • Part number SH6421 for catalog matching and ordering
  • Cross-reference: B18141920

Detailed Description

Use the Sachs SH6421 when servicing the clutch hydraulic system on a 1988-1989 Mazda 323. This clutch slave cylinder transfers hydraulic pressure to the clutch release mechanism, helping the transmission disengage properly during shifting. If you are searching for a Mazda 323 clutch slave cylinder, Sachs SH6421, or a manual transmission hydraulic replacement for 1988-1989 Mazda 323 models, this part matches that application.

This part cross-references B18141920 for the same application.

Common Replacement Reasons

  • Clutch fluid leakage at the slave cylinder
  • Soft or inconsistent clutch pedal feel
  • Difficulty disengaging the clutch during shifts
  • Hydraulic clutch system wear on older Mazda 323 vehicles

Installation Notes

Confirm vehicle fitment before purchase using the year, make, model, and transmission application. After installation, bleed the hydraulic clutch system and inspect the line connections for leaks. Verify proper pedal travel and clutch release before returning the vehicle to service.

Quality Assurance

Sachs is a recognized name in drivetrain and clutch components, and SH6421 is cataloged as a manual transmission clutch slave cylinder for the listed Mazda 323 fitment.

Related reading

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1989Mazda3231.6LL4Check compatibility before purchasing; suitable for multiple years, makes, and models.
1988Mazda3231.6LL4Check compatibility before purchasing; suitable for multiple years, makes, and models.
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
B18141920