I can't believe it would have been stock in 46, considering the rad caps that early were zero pressure and lower temperature, but on the TF series that exact looking item is listed as an RPO in the accessory manual for export only, and not on the available accessory list

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 & Rust-a-holics Unanimous parking lot