The Case IH 3079045R91 is a genuine OEM starter motor shaft designed for a wide range of International Harvester agricultural and industrial machinery. This essential component ensures reliable operation of the starter motor, facilitating engine ignition. It is compatible with various IH tractor models including the 354, 374, 384, 444, 454, 474, 475, 484, 574, 584, 674, 684, 784, 884, 238, 248, 258, 268, 278, 385, 485, 585, 685, 785, 885, 985, and loaders such as the 2400A and 2500A.