The John Deere AL58122 is a genuine OEM ignition switch designed for a wide range of John Deere agricultural tractors, including models in the 5000, 6000, and 7000 series. This essential component ensures reliable starting and electrical system control. Featuring 4 positions and 7 terminals, it provides precise functionality for engine ignition. Constructed to John Deere's rigorous standards, the AL58122 offers durability and direct fitment, making it a critical replacement part for maintaining optimal machine performance. It replaces the earlier part number AL39487.