I replaced me AC belt and serpentine belt when I did my water pump and I think it's was no more then $40 for both probably closer too 30 and there really not that hard to doterrair said:I have a 2002 av (original owner) with 57000 miles. If anyone has replaced engine belts and water and heater hoses (original equipment parts), please provide cost and where work was done (e.g. dealer, Goodyear, etc.