you're looking for a donor cab or a DIY, the only repro piece that I can think of would be a major panel like the whole back of the cab, very spendy

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics