the specific model designations never were on the trim pieces, just the series, 3100, 3200, 3600, 3800, etc, which indicates the weight class ... the pickup is an xx04, the panel is an xx05, etc
"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