Whirlpool Part Number 12722803B: Mullion. Door (Black) RAIL-MULLN WAS 12732501B 0909NM Works with the following models: Maytag AFB2234WEB0, Maytag AFB2234WEB2, Maytag AFB2234WES0 Maytag AFB2234WEW0, Maytag AFD2535DEB5, Maytag AFD2535DEB6, Maytag AFD2535DEQ5