; HomeHeavy Duty Truck PartsDifferentials & Differential PartsFront Rears (Tandem Front)Meritor/RockwellR170Used 1980 Meritor/Rockwell R170 Front Rear (Tandem Front) Used 1980 Meritor/Rockwell R170 Front Rear (Tandem Front) Unfortunately this part is temporarily unavailable. View other Meritor/Rockwell R170 Front Rears (Tandem Front)