The Case-IH 87626190 Diaphragm Set is a genuine OEM replacement part designed for the chopper assembly in various Case-IH agricultural machinery. This essential component ensures proper function of the chopper mechanism, contributing to efficient crop residue management. It is compatible with numerous Case-IH combine, cotton picker, forage harvester, and windrower models, including the 1400, 1600, 2100, 2300, 2500, 5000, 6000, 7000, 8000, and 9000 series combines, as well as 1800, 2000, 2100, 2500, 420, 620, 630, and 8800 series cotton pickers, 781 forage harvesters, and 8800 series windrowers.