#2 in illustration - small a/c tube that attaches to the auxiliary evaporator thermostaic expansion valve (TXV), with high output (auxiliary) heater/AC, 3/8" O.D.
FordPartsGiant.com offers the wholesale prices for genuine 1993 Ford E-150 parts. Parts like Evaporator Parts - Auxiliary are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 5.0L. Transmission: 3AT C6.