The Case IH 387533R91 is a genuine OEM thermostat designed to precisely regulate engine operating temperature, ensuring optimal performance and preventing overheating or undercooling. This critical component helps maintain engine efficiency and longevity. It is compatible with a range of Case IH tractor models, including the 454, 464, 484, 485, 495, 574, 584, 585, 595, 674, 684, 685, 695, 784, 785, 795, 884, 885, 895, 995, 2400, 2500, and 3220.