The Fiat 40003800 is a genuine OEM oil seal, precisely engineered with dimensions of 40mm inner diameter, 60mm outer diameter, and 10mm width. This critical sealing component ensures optimal performance and prevents leaks in a wide range of Fiat and New Holland agricultural tractor models, including the Fiat 45-66, 60-90, 100-90, 480, 640, 880, and New Holland L60, L95, 80-66, and 88-94 series. It is an essential component for maintaining the integrity of mechanical systems.