; HomeHeavy Duty Truck PartsDifferentials & Differential PartsFront Rears (Tandem Front)Meritor/RockwellART-40Used 2016 Meritor/Rockwell ART-40 Front Rear (Tandem Front) Used 2016 Meritor/Rockwell ART-40 Front Rear (Tandem Front) Unfortunately this part is temporarily unavailable. View other Meritor/Rockwell ART-40 Front Rears (Tandem Front)