Ready to spend the money "truetrac"

I'm ready to order my Truetrac,went to 4x4parts.com to get that little deal and saw it said for 04-06 titans.I have 07 i'm thinking its all the same just dont want to order and get the wrong thing.If i order the carrier bearing is there anything else that i should order?I want to take it to a shop and have everything they need to install it with out having to waite.