The Case IH 354155A1 is an authentic OEM M10 collar nut, designed for secure fastening in a wide range of Case IH agricultural and construction equipment. This genuine part ensures precise fitment and reliable performance, crucial for maintaining the integrity and operational safety of your machinery. It is commonly used across numerous Farmall, Maxxum, Puma, Quantum, Steiger, and STX series models, providing essential structural support.