Final answer:
The correct sets of engine numbers required for ordering a replacement engine are Model, Type, and Code Numbers (C).
Step-by-step explanation:
The correct sets of engine numbers required when ordering a replacement engine or shortblock are Model, Type, and Code Numbers (C). These numbers are used to determine the specific engine configuration and compatibility. The model number represents the general series or model of the engine, while the type number provides more details about the variant or version. The code number further specifies additional features or variations within a particular model and type.