The McCormick 399894R1 Hydraulic Pump Body is a genuine OEM component designed for various International Harvester tractor models including the 454, 464, 484, 574, 584, 674, 684, 784, 884, 2400A, and 2500A. This critical component serves as the main housing for the hydraulic pump, ensuring proper fluid containment and efficient operation of the hydraulic system. Manufactured to original specifications, it guarantees a precise fit and long-lasting reliability for agricultural machinery.