It was within $50 of my recommendation, and many of them are made by the same people so it could be the same.I wish I saw your post prior to purchasing the aluminum radiator from ebay. I ended up purchasing the $150 one in my first post and I could have saved some money with one of your choices which are closer to $100 and may be better built. I don't know how your sellers did not show up at the top of the ebay search; they don't allow me to search by more popular seller like Amazon and the algorithm promotes the sellers with little to no sales. I bought this:
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The others you mentioned look similar to each other and priced better, and likely have better customer service:
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