NEW Brake Master Cylinder (**2-inch Bore**) – Replaces 2239045 / Ford F650 F750 F53 F59
ABC Dynamics: Precision Parts for Uncompromising Performance.
Ensure reliable, heavy-duty braking control with this brand new **Brake Master Cylinder** from **ABC Dynamics**. Engineered with a powerful **2-inch bore size**, this master cylinder is a direct replacement for critical braking systems found in **Ford F-Series commercial trucks and motorhome/stripped chassis**. Trust in quality that meets or exceeds OEM specifications for casting number **2239045**.
Key Specifications & Expert Features
- Condition: **NEW** Brake Master Cylinder (Non-Remanufactured) for maximum safety and lifespan.
- Bore Size: **2-inch bore size** (Critical for generating high hydraulic pressure in heavy-duty applications).
- Outlet Ports: Features both **1/2″-20** and **9/16″-18** outlet size threads.
- Included Switches: **DIFFERENTIAL PRESSURE SWITCH** and **FLUID LEVEL INDICATOR SWITCH** are **INCLUDED**.
- **Application Balance:** Perfect for the demanding hydraulic braking systems in Ford Super Duty Commercial and specialized chassis.
Verified Casting & Cross-Reference Numbers
This master cylinder is a confirmed replacement for the casting number **2239045** and cross-references with the following Ford OE numbers:
- **Primary Casting:** 2239045
- **Ford OE Cross-Refs:** F81Z2005AD, F8HZ2140A, F8HZ2140AA, 8U9Z2140A
- DU9Z2140A, DU9Z2140B, DU9Z2140C
Fits the following Ford commercial and stripped chassis models:
- F53 (Motorhome/RV Chassis), F59 (Commercial Stripped Chassis)
- F650 Super Duty, F750 Super Duty (All listed years)
- F-800 LPO, F-800 (1984-1999)
- B700 Bus
- Chevrolet C60, P6 (Stripped Chassis Precursors)
Expert Installation & Technical Support
Safety Tip: Braking components are safety-critical. Always bench bleed the master cylinder before installation.
- Brake master cylinder reservoir material and height **may vary**, but the core fit and hydraulic function remain the same.
- **IMPORTANT:** Adaptors on the outlet ports **may be needed** to fit your specific vehicle’s existing brake lines, as the same casting number was used on several different assemblies.
For detailed, step-by-step instructions, please consult our official **Master Cylinder Replacement Guide:**
Access the Master Cylinder Replacement Guide Here
For systems using a Hydro-Max Booster, access the **Hydro-Max Brake System Technical Manual** here:
ABC Dynamics Part Number / SKU: **10804276**
Quality Brake and Clutch Components from ABC Dynamics
| Weight | 12 lbs |
|---|---|
| Dimensions | 11 × 8 × 7 in |
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