I have a minor coolant system leak in my '91 GL 2.1L.  The hose that
appears to be causing the leak is just above the oil filter and is a
short 90 degree elbow.  In order to order a new one I need to know
what this part number is or alternately, just the proper name of it.
I don't know what this hose is called so am looking for help in
identifying it.

Thanks in advance,
Trevor Reynolds