Ensure reliable, heavy-duty braking control with this brand new Remote Reservoir Brake Master Cylinder from Bexar Pro Components. Engineered with a powerful 2-inch bore size, this unit is designed for systems utilizing a remote fluid supply, commonly found on International 3800 series buses and various commercial and industrial equipment. Trust in quality that meets or exceeds OEM specifications for casting number 2239045.

Verified Casting Numbers

• 2239045

⚠ CRITICAL: Verify Specifications

To ensure safety, verify that this 2-inch bore size matches your existing unit exactly before purchasing. This model is specifically for Remote Reservoir configurations; ensure your vehicle is equipped with external fluid tanks. IMPORTANT: Adaptors on the outlet ports may be needed to fit your specific vehicle’s existing brake lines, as this casting was used across multiple heavy-duty assemblies.

Expert Installation & Field Note

Drawing on our shop experience specializing in heavy-duty brakes since 1985, we emphasize that when installing a remote reservoir master cylinder, the integrity of the supply hoses is critical. Inspect for any signs of collapse or internal degradation that could restrict fluid flow to the 2-inch bore. Always bench bleed the master cylinder before installation and ensure the pushrod is perfectly centered to prevent premature seal wear in high-pressure fleet operation.