Description
New Clutch Slave Cylinder 29/32-inch bore size FD25669 25669C 642
Bexar Pro Components: Heavy-Duty Reliability for Fleet & Industry.
Key Specifications & Expert Features
- Bore Diameter: 29/32-inch bore size (Critical for optimal hydraulic performance and consistent pedal feel)
- Inlet Port: 7/16-24 INV (Single port design for secure hydraulic line connection)
- Application: Engineered for high-pressure hydraulic systems in heavy-duty trucks and specialized industrial applications.
- Repair Kit: N/A (No rebuild kit available; full unit replacement required to ensure system integrity)
Verified Casting & Part Numbers
Google Search & Fitment Warning: Matching your existing casting number is the most reliable method to ensure correct fitment. This unit replaces:
- FD25669
- 25669C
- S642
- 642
- 618774
- 25669
Expert Installation & Field Note
Based on our shop experience specializing in heavy-duty brakes and clutches since 1985: Hydraulic clutch performance relies on a clean, sealed system. Air trapped in the slave cylinder is the #1 cause of incomplete clutch release. We recommend gravity bleeding followed by a standard pressure bleed to ensure all air is purged from the 29/32-inch bore size chamber. Always inspect your master cylinder and hydraulic lines for contamination; old fluid can quickly damage a new slave cylinder’s seals. Bleed thoroughly with fresh, approved fluid to guarantee maximum lifespan.
âš CRITICAL: Verify Specifications
To ensure safety and proper clutch travel, verify that this slave cylinder’s 29/32-inch bore size and 7/16-24 mounting configuration match your existing unit exactly. This component is designed exclusively for hydraulic clutch systems; it is not a universal fitment.
