The Case IH 1531235C4 is a genuine OEM lift arm designed for a wide range of Case IH combine models, including the 1620, 1640, 1644, 1660, 1666, 1680, 1688, 2144, 2166, 2188, 2344, 2366, 2377, 2388, 2577, 2588, 5088, 6088, and 7088 series. This critical component ensures proper lifting and positioning functionality for optimal operation in demanding agricultural applications. It supersedes previous part numbers 1531235C3 and 1531235C2, offering consistent quality and fitment.