VIZIO E321VL MAIN UNIT 3632-1512-0150(4B) Please order by the part # below to ensure compatibility: 3632-1512-0150 Other Board #s and TV Model #s: 0171-2271-3294 E321VL LAQKHLIM E321VL LAQKHLMM E321VL LAUKHLIM E321VL LAUKHLIL E321VL LASKHLAM E321VL LATKHLMM E322VL