Brake Master Cylinder 1 1/8″ Bore – Premium Replacement for Commercial Trucks and Heavy-Duty Vehicles (M172241)

ABC Dynamics: Precision Parts for Uncompromising Performance.

Restore your braking system’s precision with this brand-new, high-quality **M172241 Brake Master Cylinder**. Engineered to be a perfect, reliable replacement for casting numbers **FE1107** and **1107**, this cylinder features a durable **1 1/8″ bore** and **1/2″-20 outlet size**. It is essential for ensuring powerful, consistent performance in both **commercial trucks/buses** and various **industrial equipment** applications. Don’t compromise on safety—upgrade your system today with a part built on expertise.

Key Specifications & Expert Features

• Bore Size: **1 1/8″ bore** (1.125″) for optimal fluid displacement and powerful braking.
• Outlet Size: **1/2″-20 outlet** for a secure, leak-free connection.
• **Application Versatility:** Suitable for **medium-to-heavy-duty vehicle** and **industrial** hydraulic brake systems.
• Robust Construction: Built new to meet or exceed OEM specifications for lasting durability and performance.
• Repair Kit Compatibility: This unit is compatible with repair kit **25MK**.

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 **vehicle or machine**. Matching your existing number is the **most reliable method** to ensure correct fitment:

• FE1107
• 1107

Expert Note: Maintaining Safety in Heavy-Duty Systems

Experience Tip: The **1 1/8″ bore** is sensitive to internal bypass if seals are worn. Since this master cylinder is often used in vehicles that tow or carry heavy loads, verify the entire system (including wheel cylinders/calipers) is in good condition during installation. Always use new DOT 3 or DOT 4 fluid to maximize the lifespan of your **M172241**.