72 Dart Swinger 3.6L Pentastar +T5
. . . . . so, what I mean is that the system may check internally for each components VIN code, and if there's a mismatch, then NO START or NO FUNCTION is the order of the day.
Such a system would make it difficult to steel your neighbour's engine when he wasn't looking and drop it in your body. You could do it, but NO START, therefore no point.