New Brake Master Cylinder 1-1/4-inch bore size FD4426 4426
Bexar Pro Components: Heavy-Duty Reliability for Fleet & Industry.
Key Specifications & Expert Features
- Bore Diameter: 1-1/4-inch bore size (Essential for heavy-duty pressure requirements)
- Outlet Size: 7/16″ INV (Standard thread for direct line connection)
- Application: Medium-duty fleet vehicles and specialized industrial hydraulic systems.
- Companion Repair Kit: 33MK (View Compatible Kit)
Verified Casting & Part Numbers
Matching your existing casting number is the most reliable method to ensure correct fitment. This unit replaces:
- FD4426
- 4426
Expert Installation & Field Note
Based on our shop experience specializing in heavy-duty brakes since 1985: The 1-1/4-inch bore size is a precision specification for specific hydraulic displacements. When installing the M435514, verify your pushrod alignment to ensure the internal piston travels squarely within the bore. Side-loading or improper stroke adjustment is a primary cause of internal seal bypass in industrial applications. Always perform a bench bleed before final installation to remove trapped air.
⚠ CRITICAL: Verify Specifications
To ensure safety, verify that this master cylinder’s 1-1/4-inch bore size and 7/16″ outlet match your existing unit exactly before purchasing.
| Weight | 6 lbs |
|---|---|
| Dimensions | 8 × 6 × 4 in |
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