The McCormick 3132191R1 is a genuine OEM piston compression ring designed for International Harvester and McCormick engines. This essential engine component features a 95mm bore diameter and a thickness of 2.38mm, ensuring optimal engine performance and sealing. It is compatible with a wide range of McCormick and International Harvester tractor models including B250, B275, B414, 354, 374, 384, 434, 444, 276, 3434, 3544, 3644, 3844, 424, 4444, 2300A, 2400A, and 2500A.