(Used) 2000 Western Star 5900, AIR TANK- Side: Passenger Side Material: Steel Dimensions: L=12?, D=9.5?, Front Ports: 2 Side Ports: 2 Rear Ports: 4 For more information about this item, give us a call. We ship worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921