ABC Dynamics Clutch & Brake Master Cylinder 1-1/8″ Bore – Replaces 29962C, FF42089, and More
ABC Dynamics: Precision Parts for Uncompromising Performance.
Get your clutch and braking system working in sync with this brand new, heavy-duty Clutch/Brake Master Cylinder from ABC Dynamics. Engineered with a **1 1/8″ Bore** for reliable fluid delivery, this unit is an ideal replacement for a wide range of popular medium and heavy-duty vehicles. Don’t compromise on stopping power—trust ABC Dynamics for quality you can feel with every drive.
Key Specifications & Features
- Bore: 1 1/8″
- Fits: Chevy, Dodge, Navistar models
- Equivalent Wagner PN: F36664, F42082
- Repair Kit: Not Available (N/A)
Verified Casting & Part Numbers
This master cylinder is a confirmed replacement for the following casting numbers, ensuring you get the right part every time. Simply match your existing casting number to the list below:
- 29962 / 29962C
- FF42089
- 83230 / 85230
- 5459951 / 5459789
- 618671
- B226
- 254992-C91
- 2237766
- FF51125
- FF75792
Important Compatibility Information
Please Read Before Purchasing:
- **Push Rod Note:** The unit ships as the master cylinder only. You may need to **re-use your old push rod** for proper installation.
- **Obsolete Units:** This unit is similar to obsolete parts FF48468 (1 1/2″ Bore) and FF43812 (1 3/4″ Bore). **Verify your bore size is 1 1/8″** before purchasing.
- **Repair Kits:** No repair kits are currently available for this master cylinder.

ABC Dynamics Part Number: CM3934725