Does anyone know if you can put the new plastic tj door panels on a yj. Or do they have after market panels like that I have only found diamond plate door panel. Not sure that will work in the heat.

Try ... www.quadratec.com they have some nice replacement panels with side pockets

http://www.jeepsareus.com/Merchant2/merchant.mvc?Screen=PROD&Store_Code=JAU&Product_Code=YJdo87&Category_Code=YJ