Evan - all truck fender trims included the series designation, 3100, short 1/2 ton - 3124 was the Cameo model designation, but it didn't appear anywhere on the truck
"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