Brake Master Cylinder 1 1/8″ Bore – Direct Fit for Ford F250, Studebaker, and Industrial Trailer Equipment (M3707347)

ABC Dynamics: Precision Parts for Uncompromising Performance.

Restore your braking system’s precision with the brand-new, high-quality **M3707347 Master Cylinder**. Engineered to be a perfect, reliable replacement for casting numbers **FE32761** and **29780C**, this cylinder features a durable **1 1/8″ bore** and **dual 1/8″-27 NPT outlets**. It is verified for both classic **Ford and Studebaker trucks** and various **industrial trailers and heavy equipment**, ensuring powerful, consistent performance you can trust.

Key Specifications & Expert Cross-References

• Bore Size: **1 1/8″ bore** for optimal fluid displacement and powerful braking.
• Outlet Size: Dual **1/8″-27 NPT** outlets for secure, leak-free line connections.
• Primary Fitment: Ideal for **1961-66 Ford F250**, **1963-64 Studebaker 8E/Champ**, and **Apache Trailer** applications.
• Robust Construction: Built new to meet or exceed OEM specifications for lasting durability.
• Repair Kit Compatibility: Compatible with repair kit 375MK for easy future maintenance.

Verified Casting & Part Numbers (Cross-Reference)

This Brake Master Cylinder is a confirmed replacement for the following casting and part numbers, ensuring you get the correct component for your **vintage vehicle or equipment**. Matching your existing number is the **most reliable method** to ensure correct fitment:

• FE32761, 29780C
• 617067, 32761 (Related Casting Numbers)

Expert Note: NPT Threading and Fluid Selection

Experience Tip: The **1 1/8″** bore is common in older, manual brake systems. Due to the **1/8″-27 NPT** (National Pipe Thread) outlets, use thread sealant tape or liquid sealant to ensure a leak-free seal. Always use new DOT 3 or DOT 4 fluid as specified by the **vehicle’s** manual to prevent seal degradation.