2012 Western Star 4900FA, Truck Tractor, Air Dryers, Fits to: Western Star 4900 FA, (USED) 2012 Western Star 4900 FA - AIR DRYERS- Make : Wabco, Material: Aluminum and Steel, 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., Truck Year 2012, VIN 5KJJAEDR1CPBP7620, Material Aluminum with plastic lid 5KJJAEDR1CPBP7620