The John Deere CC54912 is a genuine OEM chain sprocket designed for optimal performance in John Deere S-Series and STS combines. This durable component ensures reliable power transmission within the machine's drive systems, maintaining efficiency and longevity. Weighing approximately 0.2 kg, it is a critical part for various combine models including S650, S660, S670, S680, S690, S760, S770, S780, S790, 9560STS, 9660STS, 9760STS, 9860STS, 9570STS, 9670STS, 9770STS, and 9870STS.