The John Deere H172121 Sprocket is a genuine OEM component designed for various John Deere agricultural machinery, including a wide range of combines, cotton pickers, forage harvesters, and windrowers. This high-quality sprocket ensures efficient and reliable power transmission within the machine's drive system. Manufactured to John Deere's rigorous specifications, it provides optimal performance and durability, maintaining the operational integrity of your equipment. With approximate dimensions of 355.6 mm in length and width, and 50.8 mm in height, and weighing around 4.54 kg, this sprocket is engineered for a precise fit and long service life in demanding agricultural applications.