New Brake Master Cylinder 1-3/4-inch bore size FE777 777 777C

New Brake Master Cylinder 1-3/4-inch bore size FE777 777 777C Bexar Pro Components: Heavy-Duty Reliability for Fleet & Industry. Restore reliable, high-volume stopping power to your commercial vehicle, bus, or heavy equipment with the M284249 Master Cylinder from Bexar Pro Components. Engineered with a powerful 1-3/4-inch bore and a specific 4-bolt mounting pattern, this unit is built for the rugged demands of heavy-duty fleet reliability, making it the ideal solution for both industrial equipment and specialized automotive systems. Key Specifications & Expert Features Bore Diameter: 1-3/4-inch bore size (High-volume fluid displacement) Mounting: 4-Bolt mounting pattern (Critical for heavy-duty chassis fitment) Outlet Size: 3 x 1/2-20 INV | 1 x 1/8-27 NPT Secondary Application: Heavy-duty trucks, buses, and commercial industrial machinery. Companion Repair Kit: 175MK (View Compatible Kit) Verified Casting & Part Numbers Matching your existing part number is the most reliable method to ensure correct fitment. This unit replaces: FE777 777 777C 616827 618127 JML 262 54837A Expert Installation & Field Note Based on our shop experience specializing in heavy-duty brakes since 1985: The large 1-3/4-inch bore is critical for maximizing fluid displacement to large wheel cylinders or calipers. When installing this unit on a heavy-duty vehicle, ensure your bleed procedure is thorough to remove all air from the extensive lines, which is the most common cause of a spongy pedal in high-volume commercial systems. ⚠ CRITICAL: Verify Specifications To ensure safety, verify that this master cylinder’s 1-3/4-inch bore size and 4-bolt mounting pattern match your existing unit before purchasing. Bexar Pro Components SKU: M284249 Official Master Cylinder Installation Guide