Universal Fuel level Sender unit Question

You don't want that. Those have what I call the "old chevy" bolt pattern, like the earlier behind seat Chev pickups use. My old Landcruiser had that same (or close) pattern, and I guess some fuel cells do

I didn't check what gauges you specifically want, but you need a gauge that will work with a Mopar sender. GM, example, goes the "other way" that is resistance goes the opposite way from Mopar as the tank is more full.