New Brake Master Cylinder 1-3/4-inch bore size FD2347
Bexar Pro Components: Heavy-Duty Reliability for Fleet & Industry.
Key Specifications & Expert Features
- Bore Diameter: 1-3/4-inch bore size (Critical for high-volume hydraulic displacement)
- Outlet Size: 1/2″ INV (Standard inverted flare thread for secure line connection)
- Application: Optimized for heavy-duty industrial machinery and large-scale fleet vehicles.
- Companion Repair Kit: 217MK (View Compatible Kit)
Verified Casting & Part Numbers
Matching your existing casting number is the most reliable method to ensure correct fitment. This unit replaces:
- FD2347
Expert Installation & Field Note
Based on our shop experience specializing in heavy-duty brakes since 1985: The 1-3/4-inch bore size is a high-volume specification often used in heavy equipment. When installing the M1945190, ensure your pushrod alignment is perfectly centered to prevent side-loading the internal seals. Pushrod misalignment is a frequent cause of premature seal failure in industrial applications. We recommend a complete system flush with fresh fluid to protect the precision-honed bore and ensure the longevity of your new hydraulic components.
⚠ CRITICAL: Verify Specifications
To ensure safety, verify that this master cylinder’s 1-3/4-inch bore size and 1/2″ INV outlet match your existing unit exactly before purchasing. Proper hydraulic displacement is vital for braking performance.





