I remember when Viking 1 &2 landed on Mars back in 1976! I wrote to NASA and they mailed me photos the landers took of the Martian surface. It wasn't as easy as typing in a url and seeing all the pictures.
https://macsradiatorshop.com/product/macs-1987-1990-jeep-cherokee-aluminum-coolant-tank/
A little pricey but you'll never have to replace it again, and it looks nice (they might also have a diamond plate version).
Welcome to CC! Please add your VIN with some pics & details to the Registry and someone will get you a build sheet. Thanks
https://comancheclub.com/forum/32-1989/