All the lines and brackets a condensor a drier an evaporater and the inside dash unit. There is a lot of parts. Maybe from a part out would be the cheapest but then most places won't charge it until you put in a new condensor and drier and some other valve.
So if the budget is tight a part out will do the best. If you have the bucks Jeepair.
89 2.5 TBI, 4" RC lift, 1" Booms, SYE, Adams Driveshafts front and rear, Ford 8.8 with 4:88s, BFG 33X12.50X15, and a ton of other stuff.
AF Jeep Club Tail Number 184