; HomeHeavy Duty Truck PartsDifferentials & Differential PartsAxle Housings (Rear)Meritor/RockwellQHDUsed 1972 ROCKWELL QHD Axle Housing (Rear) Used 1972 ROCKWELL QHD Axle Housing (Rear) Unfortunately this part is temporarily unavailable. View other Meritor/Rockwell QHD Axle Housings (Rear)