I just got a set of 22 escalade wheels from an 09 and the TPMS for a 06 work just fine in a newer wheel. When I was at the dealership the 04 TPMS were the same size as the 06 just a different color. One set is white and the other is blue, I beleive the blue set was for the 04. THe counter guy told me they difference was the newer years had individual monitoring in the DIC. THe 07 and newer were black and were much smaller.