I apologize for my mistaken description on the hose location. I was just looking at one of my catalogs when I said that, and the illustration is incorrect. Yes, on both of my 98 ZJ 4.0's the tube goes from the front CCV fitting on the valve cover to the nipple on the left side of the air cleaner lid.
Anyway the part number you're looking for is still 53032031 and is supposed to include the short straight rubber hose, the u-shaped rubber hose, and the plastic tube in between.
Sorry for the confusion.