2006 Mack E7, Truck Tractor, Water Seperator, Fits to: Mack CXN613, (USED) 2006 Mack CXN613 - Water Separator - Make: Davco. Model: 382 Fuel Pro Cessor. Engine: Mack AC 427. For more information about this item, give us a call. We ship Worldwide!. (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY. ELKTON, MD 21921., Serial# N/A, Casting# N/A, Truck Year 2006 1M1AK06Y26N008060