New Brake Master Cylinder 1-inch bore size FE33502 33502
Bexar Pro Components: Heavy-Duty Reliability for Fleet & Industry.
Key Specifications & Expert Features
- Bore Diameter: 1-inch bore size (Essential for pressure calibration)
- Outlet Size: 7/16-24 INV (Standard thread for secure line connection)
- Application: Medium-duty trucks and industrial hydraulic systems.
- Companion Repair Kit: 364MK (View Compatible Kit)
Verified Casting & Part Numbers
Matching your existing part number is the most reliable method to ensure correct fitment. This unit replaces:
- FE33502
- 33502
Expert Installation & Field Note
Based on our shop experience specializing in heavy-duty brakes since 1985: The 1-inch bore size is a precision fit common in light commercial and industrial designs. When installing the M3422491, verify that the pushrod is perfectly centered and adjusted to prevent side-loading the piston. Improper pushrod alignment is a primary cause of premature seal failure. Always flush the system with fresh DOT fluid to maximize service life.
⚠ CRITICAL: Verify Specifications
To ensure safety, verify that this master cylinder’s 1-inch bore size and 7/16-24 INV outlet match your existing unit exactly before purchasing.




