Looking for a Radiator for my 2002 sr5.

[Hiball]

First and foremost thanks for all the valuable information contained in the forum, I also try and search prior to asking questions as I fully understand how annoying it can be for the same questions to come up over and over, With all that said.. I'm looking for a Radiator for my newly acquired 2002 sr5 4x4. I've read enough threads to know you don't always get a Koyo radiator when you order one. Am I correct in thinking that koyo is the brand I'm looking for? Is A1998 the model I need? And now for the million dollar question? Where are you guys buying them?

Thanks in advance.