The John Deere AH112401 is a genuine OEM oil seal designed for a wide range of John Deere agricultural and construction equipment. This high-quality seal prevents oil leaks and ensures reliable performance in critical engine and transmission applications. With an inner diameter of 63.5 mm, an outer diameter of 95.25 mm, and a width of 12.7 mm, it provides a precise fit for compatible models including 4040, 4240, 4440, 4640, 4840, 8440, 8450, 8630, 8640, 8850 series tractors, 6620, 7720, 8820 combines, and various industrial machines.