The Fiat 5102365 is a genuine OEM gear designed for various Fiat and New Holland agricultural tractors. This essential transmission component ensures smooth and efficient power transfer, maintaining optimal machine performance. It is a direct replacement part for models including Fiat 45-66, 50-66, 55-66, 60-66, 65-66, 70-66, 80-66, 45-76, 55-76, 60-76, 70-76, 80-76, 55-88, 60-88, 65-88, 70-88, 80-88, 55-90, 60-90, 65-90, 70-90, 80-90, 90-90, 100-90, 110-90, 115-90, 130-90, 140-90, 160-90, 180-90, and New Holland TL70, TL80, TL90, TL100, TD5010, TD5020, TD5030, TD5040, TD5050 series.