This aftermarket control valve gasket, part number 401736R4NO, serves as a direct replacement for the original International Harvester (IH) OEM part 401736R4. It is designed to provide a reliable seal for the control valve in a wide range of IH agricultural and industrial machinery. This gasket is essential for maintaining the hydraulic system's integrity and preventing fluid leaks from the control valve assembly. It fits numerous IH tractor models including the 454, 464, 484, 485, 544, 574, 584, 656, 666, 674, 684, 686, 706, 756, 766, 784, 786, 806, 826, 856, 884, 886, 966, 986, 1026, 1066, 1086, 1206, 1256, 1456, 1466, 1468, 1486, 1566, 1568, 1586, Hydro 100, Hydro 186, Hydro 70, Hydro 84, Hydro 86, and various 2000, 3000, 4000, 5000, 6000, 7000, 8000 series tractors, as well as TD series dozers.