DFC Brake Master Cylinder for Workhorse W42 9400-14500 lb GVW

This DFC component is part of the 100% Outright Program—no core return or deposit required. Engineered to meet or exceed OEM specifications for direct-fit performance. The DFC 355-48009 master cylinder is designed specifically for the Workhorse W42 chassis, accommodating vehicles with a gross vehicle weight rating (GVWR) between 9,400 and 14,500 pounds. Crafted from high-quality materials, this master cylinder ensures reliable brake system operation and durability under demanding conditions. Its robust construction provides consistent hydraulic pressure, essential for safe and effective braking in heavy-duty applications.

Technical Specs (Bulleted):
BORE Diameter: See manufacturer specifications
Outlet Size: INV
Application: Workhorse W42 with 9400-14500 lb GVW
Construction: Premium cast iron components

Expert Installation & Field Note: Drawing from our shop experience specializing in heavy-duty brakes since 1985, we recommend verifying pushrod alignment before final mounting to prevent internal cup damage.