MAZDA FACTORY OEM CX-9 TRANSFER CASE NEW THIS IS A BRAND NEW UNIT - NOT A REBUILT UNIT IS SEALED AND COMPLETE WITH FLUID THIS IS PART NUMBER AW21-27-500N-9U AND IS THE LATEST UPDATE FROM MAZDA SIMPLY REMOVE THE OLD UNIT AND INSTALL THIS NEW UNIT NO NEED TO RETURN YOUR OLD CORE - YOU CAN KEEP IT