Whirlpool Part Number 3389420: Retainer, Idler WHIRLPOOL DUET FRONT LOAD DRYER IDLER PULLEY RETAINER SCREW. Works with the following models: Maytag 1DNET3205TQ0, Whirlpool 2228^00, Whirlpool 2228^10 Whirlpool 2228^20, Whirlpool 2228^30, Whirlpool 2228^40, Whirlpool 2228W00, Whirlpool 2228W10