2007 Western Star 4900SA, Truck Delivery, Air Dryers, Fits to: Western Star 4900 SA, (Used) 2007 Western Star 4900 SA, AIR DRYER- Make: Baldwin Filters, Model: BA5374, Material: 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 2007, VIN 5KKHALCV17PY58747, Material Steel 5KKHALCV17PY58747