; HomeHeavy Duty Truck PartsDifferentials & Differential PartsRear Rears (Tandem Rear or Single)Meritor/RockwellMT40-14XPUsed 2012 Meritor/Rockwell MT40-14XP Rear Rear (Tandem Rear or Single) Used 2012 Meritor/Rockwell MT40-14XP Rear Rear (Tandem Rear or Single) Unfortunately this part is temporarily unavailable. View other Meritor/Rockwell MT40-14XP Rear Rears (Tandem Rear or Single)