1998 GRAND CHEROKEE 4.0L Engine Computer 56044513AB ECM ECU Programmed See Product Description below for Fitment Information USPS Priority Mail Shipping To US 50 States This Is a Quality Used Part Removed From a Running Recyecled Vehicle Make Sure You Have The Same Part Number As Below Porduct Descripriton. Please Privide the Vehicle Vin Number and Mileage After Payment, We Need to Programmed Into the ECM