The McCormick 6660958A1 is a genuine OEM alternator stator inductor, also cross-referenced as Case IH and New Holland 6660958A1. This critical electrical component serves as the stationary part of the alternator, essential for generating electrical current to power the machine's systems and recharge the battery. Designed for a 12V system, it features an outer diameter of 105 mm, an inner diameter of 78 mm, and a height of 30 mm, ensuring precise fitment and reliable performance in various agricultural machinery models.