No. But if it's the same as a truck, they are available in the aftermarket. If it's specific to a step van, measure it and buy an aluminum that closely matches the dimensions and the inlet/outlet locations........ and fit it in there. Chances are really good that they used a truck radiator. Need to look up the old radiator part number for a 58 truck to see.
Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn
I found them once and now can't seem to. It's the mounting fins on the side, they are vertical right to the edge of the radiator. Similar to the V8 kind.
Bothers me that one time I found them where at least the brackets were in the right place. Seems like they might have been called engine side mounts? I'll keep looking, but I might have to get one and have the brackets rewelded up to the edge.