Big Dan, you made me recheck - and you are correct. The parts manual had two entries for the pump pulley; one for A/C and one for non-A/C models, but both entries were the same p/n and I didn't notice it. If the parts numbers are the same - why list it on two lines? Must be a trap..
PULLEY, Pump
J3226937, 1, Without Air Conditioning
J3226937, 1, With American Air Conditioning