The Cooking Tray Coupler is an OEM part replacement part for Whirlpool microwaves. It securely connects the two halves of the microwave cooking tray together, allowing for easy placement and removal of food items.  Symptoms of a bad cooking tray coupler include: The cooking tray separating into two loose pieces that do not stay connected Food sliding off or falling through gaps in the disconnected tray halves  Inability to use the microwave cooking tray properly Causes of a bad coupler can be cracks, breaks, or wear over time that compromises its connecting ability.  This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models. Note: This coupler is compatible with the glass tray that has the 3 half circles that engage the coupler. In some cases, the factory used a tray that has 3 triangles. For that coupler, use part# W11245707.W10435116 (AP5589893) replaces 2311852, 4393754, 8169473, 8183949, 8205779, 8206228, AH3507976, EA3507976, PS3507976.