label change authorization

[JHern]

I am trying to find info for a friend with a 2007 CTD 5. 9 he has a label change authorization sticker with a KRT06-053 number code 44461 my 2006 CTD doesnt have this on it any info would be great thanks



2006 QC,LB,4x4,G56,Jacobs exhaust brake,air lift air bags,ultralinings bed liner,988 front springs,Toyo MT 295/70/17