The Case IH 5091604 Knob is an authentic OEM replacement part designed for a wide range of Case IH and New Holland agricultural tractors. This essential component ensures proper function and control within the machine's cabin or operational areas. Manufactured to original equipment specifications, it guarantees durability and a precise fit for models including Case IH Farmall A series, JX series, and New Holland T4, TD5, TL, and TN series tractors.