We sell Brand New Surplus Cat 3054C engine for Cat 416. Our Cat 3054C engines will fit Cat 416B, 416C, 416D & 416D. Cat 3054C engine serial number begins with 5HK. Cat 416 serial numbers begin with 8SG0001, 8SG12000, 8ZK00001, 8ZK06000, 1AR0001, 1BR00001, 1KR00001, 1LR00001, 1WR00001,1XR00001, 4ZN00001, 4ZN16044, 5YN00001, BFP00001.