; HomeHeavy Duty Truck PartsDifferentials & Differential PartsFront Rears (Tandem Front)EatonDST40Used 2005 EATON DST40 Front Rear (Tandem Front) Used 2005 EATON DST40 Front Rear (Tandem Front) Unfortunately this part is temporarily unavailable. View other Eaton DST40 Front Rears (Tandem Front)