This is a genuine McCormick 3558403M1 washer, an essential component for various agricultural machinery. Manufactured to OEM specifications, this washer provides secure fastening and helps distribute load, preventing damage to surfaces. With an inner diameter of 19.5 mm, an outer diameter of 32 mm, and a thickness of 2 mm, it is designed for precise fitment. This OEM part is also cross-referenced as an equivalent for Massey Ferguson, Landini, Valtra/Valmet, Case IH, and New Holland models, ensuring broad compatibility and reliable performance across multiple tractor series.