(Used) 2001 Western Star 4900E, AIR TANK- Side: Driver Left Side, Location: Bottom, Material: Steel, Dimensions: L=39", D=9", Front Ports: 2, Rear Ports: 2 Side Ports: 5, Reference images for condition For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921