Just looking them up online, it looks there are at least two different skid plates, a skid plate cross member and a skid plate bracket. And those are just the parts with "skid plate" in the name that are associated with the fuel tank. If me, I'd contact one of these online Mopar sellers directly and get them to look it all up for me based on my VIN. Most of them are dealership parts departments anyway, so they should be able to tell what all is needed.