the headlight bucket IS the housing, behind that is the fender .... bucket goes in the fender hole .... if you mean the metal body of the assembly, that's the "backing ring"

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