The Fiat 133747036 is a genuine OEM crankshaft oil seal designed to provide a reliable and leak-free seal for the crankshaft in a wide range of Fiat agricultural and industrial machinery. With an inner diameter of 80 mm, an outer diameter of 100 mm, and a width of 12 mm, this oil seal ensures optimal performance and durability, preventing oil leaks and protecting engine components. It is compatible with numerous Fiat tractor models including the 80-66, 100-90, F100, and M100 series.