Omix Lower Radiator Hose 4.7L 99-04 Grand Cherokee (WJ)Are your radiator hoses soft or leaking? Engine heat and time will cause them to deteriorate. It s always a good idea to replace both radiator hoses and the heater core hoses at the same time. Usually if one hose is bad; the others are close behind. Save yourself a roadside or trail breakdown in the future. Get high quality coolant hoses for your Jeep from Omix ADA. This Part Fits: Year Make Model Submodel 1999 2004 Jeep Grand Cherokee Laredo 1999