seperate rims

I have a 2015 Challenger SXT Plus. I have the 20" stock rims/tires. I am purchasing 18" rims to have Winter tires put on those rims. The question I have arises with the TPMS. If I look at a dodge parts website for the 2015, it lists two different numbers for TPMS sensors. 1-#68241067AB which...