The Case IH 715853R1 is a genuine OEM piston ring designed for specific International Harvester and Case IH agricultural and industrial equipment. This critical engine component ensures proper compression and oil control, contributing to efficient engine operation and longevity. Manufactured to original specifications, it provides a precise fit and reliable performance for models including 1066, 1086, 1466, 1486, 1566, 1586, 3388, 3588, 3788, 4166, 4186, 4366, 4386, 4568, 4586, 4786, 715, 815, 915, 966, 986, Hydro 100, and Hydro 186.