2232543 1.75-inch bore Brake Master Cylinder – Fits GM, Freightliner, Ford, and Industrial Equipment Bexar Pro Components: Precision Parts for Uncompromising Performance. Ensure reliable, heavy-duty braking control with this brand new Brake Master Cylinder from Bexar Pro Components. Engineered with a 1.75-inch bore size, this unit is a direct replacement for critical braking systems found in Freightliner FC/FL Series trucks, FS65 School Buses, GM C7, and Ford heavy-duty trucks. Trust in quality that meets or exceeds OEM specifications for casting numbers 2232543 or 31097-C. Specifications Bore Diameter: 1.75-inch bore size Port Configuration: 2 Ports Outlet Size: 9/16″-18 (Primary) and 1/2″-20 (Secondary) Application: Freightliner FL/FC/FS65, GM C7, Ford Truck, Industrial Chassis OEM Cross-Reference: GM 19143537, Freightliner ASL2233741, ASL2234930 Technical Resources: Hydro-Max Technical Manual (PDF) Verified Casting Numbers • 2232543 • 31097-C ⚠ CRITICAL: Verify Specifications To ensure safety, verify that this 1.75-inch bore size matches your existing unit exactly. RESERVOIR NOTE: Material (metal or plastic) and height may vary based on current inventory. Current stock features a plastic reservoir with a port for a pressure switch, but no hole for a fluid level sensor. Adaptors on the outlet ports may be needed to fit your specific vehicle’s lines. Expert Installation & Field Note Drawing on our shop experience specializing in heavy-duty brakes since 1985, we emphasize that pushrod alignment is vital. Always bench bleed the master cylinder before installation. Ensure the pushrod is perfectly centered; even a slight misalignment in these 1.75-inch systems can lead to premature seal wear under high-pressure fleet operation. For Freightliner and GM C7 applications, verify that your reservoir clearance allows for the specific height of the unit currently in stock. SKU: M39062942-BEX Official Master Cylinder Installation Guide Bexar Pro Components | San Antonio, TX | Since 1985
