I got one of those aluminum radiators from ebay and it fit perfectly. I also bought a fan from Amazon and the only problem I had was the fan ALMOST fit. It was so close, I can't believe it wasn't an error. For that reason, if the fan is good, it might be worth it to get one with a fan (such as:
https://www.ebay.com/itm/113258174247?hash=item1a5eb69727:g:VYwAAOSwhxNboc6O). I was pretty impressed with the workmanship on mine.
Keep in mind, I have a TCS so, as JB says, YMMV, but I think it should fit.