The Fiatagri 9839161 is a genuine OEM washer designed for various agricultural machinery, including Fiatagri, New Holland, Ford, and Case IH tractors. This washer features an inner diameter of 12.1 mm, an outer diameter of 22 mm, and a thickness of 2 mm, ensuring a precise fit and reliable performance in demanding applications. It is a critical component for securing parts and preventing loosening due to vibration, maintaining the integrity of mechanical assemblies.