http://www.partselect.com/Schematics/Maytag/Maytag_Thumb/54332.gif
See part 6 in the diagram

INSULATION

PartSelect Number PS2008229

This part works with the following brands: Whirlpool, Admiral, Estate, Inglis, Kenmore, KitchenAid, Roper, Maytag, Crosley, Jenn-Air, Hardwick, Magic Chef, Amana, Caloric & Glenwood.