If you want new, the one from 94-96 Tbirds work. You just need to swap out the switch because the plug is different. Also one fewer O-ring (2 vs 3) but it's not as big a deal as you'd think. Your local parts store should be able to order one or they're listed on rockauto for around $48. Aftermarket only though. No Fords left anywhere.
Oh, and it's referred to as a discharge line.