2016 Western Star 4700, Truck Tractor, DEF Pumps, Fits to: Western Star 4700, (Used) 2016 Western Star 4700, DEF PUMP- Part Number: A0001407678, Serial Number: 2234800317100, CES A055T229, Engine: Detroit DD13, 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 2016, VIN 5KJJAXDVXGPHT9514, Engine Make Detroit 5KJJAXDVXGPHT9514