; HomeHeavy Duty Truck PartsDifferentials & Differential PartsAxle Housings (Rear)Meritor/RockwellRT40-145Used 1998 ROCKWELL RT-40-145 Axle Housing (Rear) Used 1998 ROCKWELL RT-40-145 Axle Housing (Rear) Unfortunately this part is temporarily unavailable. View other Meritor/Rockwell RT40-145 Axle Housings (Rear)