The Fiat 5145934 axle sleeve is a genuine OEM component designed for various Fiat tractor models, including the 450, 480, 500, 540, 550, 600, 640, 650, 750, 850, 950, 1000, 1180, 1280, 1380, 1580, and 1880 series. This critical part ensures proper axle function and durability. It features an outer diameter of 51 mm, an inner diameter of 45 mm, and a length of 95 mm, with a weight of 0.12 kg.