The Case IH 245633C1 Starter Switch is a genuine OEM replacement part designed for a wide range of Case IH tractor models, including 1066, 1086, 1466, 1468, 1486, 1566, 1568, 1586, 3088, 3288, 3388, 3488, 3588, 3688, 3788, 4166, 4186, 4366, 4386, 4568, 4586, 4786, 5088, 5288, 5488, 6388, 6588, 6788, 7288, 7488, 7588, 7788, 7988, 886, 986, Hydro 100, and Hydro 186. This essential electrical component ensures proper engine starting functionality and is built to original manufacturer specifications for durability and performance.