http://www.partselect.com/Schematics/Whirlpool/Whirlpool_Thumb/CN1UDLPY.gif
See part 12 in the diagram

Exterior Glass Door - Black

PartSelect Number PS389290

This glass comes with the foil.

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