; HomeHeavy Duty Truck PartsDifferentials & Differential PartsTandem CutoffsMeritor/RockwellRT58180Used Meritor/Rockwell RT58180 Tandem Cutoff Used Meritor/Rockwell RT58180 Tandem Cutoff Unfortunately this part is temporarily unavailable. View other Meritor/Rockwell RT58180 Tandem Cutoffs