The New Holland 3164621R1 is a genuine OEM hex nut, essential for securing components in a wide range of New Holland and Case IH agricultural and industrial equipment. This durable nut ensures reliable fastening and is a direct replacement for original parts, maintaining the integrity and performance of your machinery. It is compatible with numerous tractor models including New Holland 1000, 3000, 4000, 5000, 7000, 8000, 9000, TW series, and Case IH 238, 248, 258, 268, 278, 385, 485, 585, 685, 785, 885, 985 series.