The Kinze GA5105 is an authentic OEM 15-tooth sprocket designed for #40 roller chain applications. This high-quality sprocket ensures reliable power transmission and is a direct replacement part for a wide range of Kinze planters, including 3000, 3100, 3110, 3120, 3140, 3200, 3300, 3400, 3500, 3600, 3660, 3700, 3800, 4900, 4905, 4910, 4915, 4920, 4925, 4930, 4935, 4940, 4945, 4950, 4955, 4960, 4965, 4970, 4975, 4980, 4985, 4990, 4995, and 6000 series models. It is crucial for maintaining the precise operation of planting mechanisms.