For imports: I'd typically opt for Spectra-Premium replacement plastic radiators, no issues over 2+ decades of repair works so far (no comebacks).
proper fitting.
DO replace the upper and lower rad hose while you are at it, for they typically would have become swollen over the years, and will not fit to your new replacement rad.
Also RE: observations with the coolant type and longevity of the cooling systems and such, seems like older silicate green tends to fair a lot worse in terms of maintaining component longevity and service life when compared to OAT type or H-OATs, for I have yet to see/encounter a single failure on high mileage cars that are on the latter type so far (even with my wifey's Camry with 200K on it, still on Toy long-life pink and rad hasn't blown/developed cracks like silicate green in the past), ditto with rad hoses (no swelling/cracks).
Also: do NOT put any so-called water-pump lubricant into the mix for you gonna kill your rubber coolant hoses in short order.
Q.