NEW Brake Master Cylinder (2-inch Bore) – Replaces 2239045 | Workhorse W22 W24 Chassis & Class A RV Motorhome

ABC Dynamics: Precision Parts for Uncompromising Performance.

Ensure safe braking control for your **Motorhome, RV, or Commercial Walk-In Van** 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 across the popular **Workhorse W-Series** and associated commercial and recreational 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:** Specifically compiled for Workhorse W-Series (W20/W22/W24) and Class A RV platforms.

Verified Casting & Vehicle Applications

This master cylinder is a confirmed replacement for the casting number **2239045** and fits the following RV and Commercial Chassis models:

• **Workhorse:** W16, W18, W20, W21, W22, W24, W25, LF72
• **Fleetwood:** Bounder, Bounder Classic, Southwind
• **Winnebago/Itasca:** Suncruiser, Adventurer
• **Tiffin:** Allegro Open Road
• **Holiday Rambler:** Vacationer

Expert Installation & Technical Support

ABC Dynamics Part Number / SKU: **10804276**