The John Deere RE170317 is a genuine OEM control module designed for various John Deere agricultural machines. This essential component ensures proper electronic system operation in models such as 8100, 8200, 8300, 8400 Tractors, 9400, 9500, 9600 Combines, 9965, 9970 Cotton Pickers, and 6610, 6710, 6810, 6910 Forage Harvesters. It replaces previous part numbers RE155075, RE160020, RE163074, and RE165039, offering reliable performance and precise control for critical machine functions.