; HomeHeavy Duty Truck PartsDifferentials & Differential PartsFront Rears (Tandem Front)Axle AllianceOtherUsed 2012 Alliance RT40.0-4 Front Rear (Tandem Front) Used 2012 Alliance RT40.0-4 Front Rear (Tandem Front) Unfortunately this part is temporarily unavailable. View other Axle Alliance Other Front Rears (Tandem Front)