New Brake Master Cylinder 1-1/4-inch bore size 14022 FE14022 B239
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 calibration)
- Outlet Size: 1/2-20 INV (Standard thread for secure line connection)
- Application: Industrial machinery and heavy-duty automotive systems.
- Companion Repair Kit: 1MK (View Compatible Kit)
Verified Casting & Part Numbers
Matching your existing part number is the most reliable method to ensure correct fitment. This unit replaces:
- 14022
- FE14022
- B239
Expert Installation & Field Note
Based on our shop experience specializing in heavy-duty brakes since 1985: When installing large-bore cylinders like the 1-1/4-inch M1402121, improper pushrod alignment is the leading cause of premature seal failure and “spongy” pedal feel. Ensure total linkage alignment to prevent side-loading and maximize the service life of the internal seals in both industrial and automotive environments.
⚠ CRITICAL: Verify Specifications
To ensure safety, verify that this master cylinder’s 1-1/4-inch bore size and 1/2-20 INV outlet match your existing unit before purchasing.










