Replacement Radiator: http://www.amazon.com/gp/aw/d/B000IYPNC8?pc_redir=1403594983&robot_redir=1

This is the closest thing you can get to an OEM replacement. It's not a knockoff, if it comes in a Koyo box and is a koyo radiator with a sticker over the name. It's also a steal for $76.