Under the crimped looking thingy is a regular hose barb.The crimped thingy can be cut off or ignored.Add a hose clamp to what you have or change the line and add a hose clamp and you will be good to go.
I have reused many of those kind of fittings.Out in bush where i live you just have to get things done because the parts stores are 100 miles away if i don't have it.
90 Chev 3500 c/c 4x4,6.2na,400 auto,4:10 gears.DSG Timing gears,main girdle, isspro tach, pyro,boost,oil and trany temp.Dual Tstats, High volume peninsular pump,on shelf, Custom turbo and intercooler 85%complete. Change of plans for the dually, it's going to get a Cummins. Both trucks are Blue 90 4x4 crews