New Clutch & Brake Master Cylinder 1-1/8-inch bore size 29962 29962C FF42089
Bexar Pro Components: Heavy-Duty Reliability for Fleet & Industry.
Key Specifications & Expert Features
- Bore Diameter: 1-1/8-inch bore size (Critical for balanced hydraulic operation)
- Application: Heavy-duty Chevy, Dodge, Navistar, and industrial machinery.
- Wagner Cross-Ref: F36664, F42082
- Repair Kit: Full replacement unit (No repair kits currently available to maintain system integrity)
Verified Casting & Part Numbers
Matching your existing part number is the most reliable method to ensure correct fitment. This unit replaces:
- 29962 / 29962C
- FF42089
- 83230 / 85230
- 5459951
- 618671
- B226
- FF51125
Expert Installation & Field Note
Based on our shop experience specializing in heavy-duty brakes since 1985: This unit is shipped as the master cylinder only. It is CRITICAL that you re-use your existing pushrod to maintain the correct pedal height and travel. Improper pushrod alignment is the leading cause of spongy pedal feel or premature seal failure in dual-purpose hydraulic circuits. Always bench bleed the unit to ensure the 1-1/8-inch bore galleries are free of air before final installation.
⚠ CRITICAL: Verify Bore Size
To ensure safety, verify that your existing bore size is exactly 1-1/8-inch. This 1-1/8″ unit is the only replacement available for obsolete bore sizes like FF48468 (1-1/2″) and FF43812 (1-3/4″). Using any other configuration will lead to dangerously inconsistent pedal feel.
| Weight | 7 lbs |
|---|---|
| Dimensions | 11 × 8 × 4 in |
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