The Case IH E45671 is a genuine OEM 2-speed switch designed for precise speed control in various Case IH agricultural machinery. This essential electrical component is compatible with numerous combine models including 1020, 1620, 1640, 1660, 1680, 2144, 2166, 2188, 2344, 2366, 2388, 2577, 2588, 5088, 6088, 7088, 7120, 7230, 8120, 8230, 9120, and 9230. It also fits cotton picker models 1670, 2155, and 2377, providing critical functionality for optimal machine operation.