; HomeHeavy Duty Truck PartsDifferentials & Differential PartsFront Rears (Tandem Front)Axle AllianceART-40Used 2006 Axle Alliance ART-40 Front Rear (Tandem Front) Used 2006 Axle Alliance ART-40 Front Rear (Tandem Front) Unfortunately this part is temporarily unavailable. View other Axle Alliance ART-40 Front Rears (Tandem Front)