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I have been looking very closely at the GS3 and GS4 radiators and it appears that they are the same. Can anyone verify for sure if the part numbers are the same? More importantly can anyone take pics of where the top and bottom hoses come off the radiator.
I know that people have been using radiators made for the Supra JZA80 on the IS 300 and GS300. If that is the case, I guess I can buy a Fluidyne radiator for my GS4 since my radiator is crapping out after 8 years. FYI if you buy the Fluidyne model, you will need to install a transmission cooler if you don't have one yet. I spoke with Fluidyne and they don't make one for the Supra with a tranny cooler like the stock units on the GS's.