I don't remember the exact brand. From Amazon so probably a Spectra. The bottom plastic portion leaks from the seam where it meets up with the aluminum core. I did read the CSF is not all that reliable, but it sure is hard to find a decent alternative.
Edit: Rolled the dice and bought this one. Radiator PERFORMANCE RADIATOR 1469 fits 91-92 Toyota Land Cruiser | eBay
Post impressions of the radiator once you get it if you don't mind, I'm still trying to decide which one to buy.