; HomeHeavy Duty Truck PartsDifferentials & Differential PartsRear Rears (Tandem Rear or Single)Meritor/RockwellRS23-160Used 2003 Meritor/Rockwell RS23-160 Rear Rear (Tandem Rear or Single) Used 2003 Meritor/Rockwell RS23-160 Rear Rear (Tandem Rear or Single) Unfortunately this part is temporarily unavailable. View other Meritor/Rockwell RS23-160 Rear Rears (Tandem Rear or Single)