OPL HPR172 Aluminum Radiator For Ford Expedition & Lincoln Navigator (Automatic Transmission) Fits: 1997-1998 Ford Expedition 5.4L (Automatic Transmission) Fits: 1998 Lincoln Navigator (Automatic Transmission) Inlet: 1.75" / Outlet: 1.75" / Rows: 2 Core Size: 16.5" x 31.75" x 4.25" / Overall Size: 19.5" x 37.75" x 4.25" 10 year manufacturer warranty