no that's not factory, it should be an ordinary heater core like a mini-radiator, on yours someone took the DIY cheap way out when the core sprung a leak, see pics in the 'heater pics' link below

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