The John Deere SAU10824 Pinion is a genuine OEM replacement part designed for various John Deere agricultural and utility equipment. This authentic pinion ensures reliable performance and proper fitment in compatible models, including 4044R, 4044M, 4052R, 4052M, 4066R, 4066M Compact Utility Tractors, 1550, 1570, 1575, 1580, 1585 TerrainCut Front Mowers, and XUV855D Gator Utility Vehicles. Weighing approximately 0.12 kg, this high-quality component is essential for maintaining the integrity and functionality of your John Deere machinery.