1990 Western Star 4900, Truck Tractor, Back Windows, Fits to: Western Star 4900, (Used) 1990 Western Star 4900, BACK GLASS- Side: Rear, Tint: Not Tint, Length: 33", Height: 15.5", 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, Truck Year 1990, VIN 2WKPDCCH5LK928008, 2WKPDCCH5LK928008