; HomeHeavy Duty Truck PartsDifferentials & Differential PartsDifferential CoresMeritor/Rockwell40-145Used 1998 Meritor/Rockwell 40-145 Differential Core Used 1998 Meritor/Rockwell 40-145 Differential Core Unfortunately this part is temporarily unavailable. View other Meritor/Rockwell 40-145 Differential Cores