Hanno is right. 116033 is a 4.5. 6.9 is 116036. Too bad but I'd buy it just for the chassis. Swap my 6.9-specific parts over to get rid of the rust. Might be a job but rust is the death knell ---especially in my part of the country.
The $600.00 doesn't go far when the rust has come to visit.
sparky