; HomeHeavy Duty Truck PartsDifferentials & Differential PartsAxle Housings (Rear)Meritor/RockwellRT40-145Used 2000 Meritor/Rockwell RT40 145 Axle Housing (Rear) Used 2000 Meritor/Rockwell RT40 145 Axle Housing (Rear) Unfortunately this part is temporarily unavailable. View other Meritor/Rockwell RT40-145 Axle Housings (Rear)