Premium Brake Master Cylinder 1-1/8″ Bore – For Heavy-Duty Industrial and Automotive Applications (M119317)
ABC Dynamics: Precision Parts for Uncompromising Performance.
Restore responsive, reliable stopping power to your **truck, specialty vehicle, or industrial machine** with the **M119317 Master Cylinder** from **ABC Dynamics**. Engineered to perfectly replace units with the FD4887 casting number, this **1 1/8″ bore** unit is built with precision materials to withstand the heavy cycling of both **automotive performance** and demanding **industrial equipment**. Don’t compromise on safety—trust our expertise for quality you can feel with every stop.
Key Specifications & Expert Features
- Bore Diameter: **1 1/8″** (Crucial specification for proper hydraulic pressure)
- Outlet Size: **1/2″-20** (Standard thread for reliable line connections)
- **Application Versatility:** Suitable for both **high-demand automotive** and industrial hydraulic systems.
- **Companion Repair Kit:** 25MK
Verified Casting & Part Numbers (Cross-Reference)
This master cylinder is a confirmed, accurate replacement for the following casting numbers, ensuring a reliable fit for your **vehicle or machine**. Matching your existing part number is the **most reliable method** to ensure correct fitment:
- FD4887
Expert Installation Note: Maximizing Safety and Longevity
Experience Tip: Proper pushrod free-play is vital, particularly in vehicles that see heavy or constant use. Lack of free-play can block the compensating port, leading to pressure buildup and eventual brake drag or failure. Our **M119317** is built to minimize bore wear, but always check your **vehicle’s** pushrod adjustment during installation.
⚠ CRITICAL: Verify Bore Size Before Purchasing
To ensure proper **vehicle** braking performance and safety, it is **absolutely critical** to physically verify that this master cylinder’s **1 1/8″ bore** and **1/2″-20 outlet size** match your existing unit. This precise hydraulic displacement is essential for both **automotive** and **industrial** braking function.





