1999 Taurus Sedan, 3.0L V6 "Vulcan" engine, AX4S tranny.
This metal/plastic hose is corroded and leaking. I believe it is the return line to the coolant expansion tank, and in my Haynes manual it is referred to as the "coolant expansion hose." I can't find a part number for it anywhere, and can't find a similar hose at Rockauto.com.
Can anyone tell me what the part number or correct name for this hose is?