The John Deere AE31154 is a genuine OEM chain sprocket designed for a wide range of John Deere agricultural machinery. This essential component ensures reliable power transmission in combines including the 9400, 9500, and 9600 series, cotton pickers like the 9960 and 9970, forage harvesters such as the 6610 and 6710, self-propelled sprayers including the 4700 and 4830 models, and windrowers like the 4890 and 4990 series. Weighing approximately 0.45 kg, this durable sprocket is crucial for maintaining optimal performance and efficiency in demanding agricultural operations.