look for years around the year of your engine, or just measure the hole spacing on your water pump and find the same, that's what counts, likely any fan from any 350 will fit
"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