The Refrigerator Drain Tube is an OEM replacement part for Whirlpool refrigerators. It is the tube responsible for draining condensation and any other moisture that collects at the back of the refrigerator compartment. The drain tube guides liquid to the evaporation pan located below the refrigerator to be evaporated. Symptoms of a bad drain tube include: Water collecting in the back of the refrigerator   Musty odors emanating from the refrigerator Water leakage from the bottom of the refrigerator Causes of a bad drain tube can be blockages from food particles or debris, cracks or leaks that prevent proper drainage, or damage due to impact or kinking of the tube over time.  This OEM replacement part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.This part fixes the following symptomsFrost buildupLeakingW10619951 (AP5780744) replaces W10309238, W10344402, 2887289, PS8691807, W10210987, W10210988, W10344401, W10585186, W10588598, W10604169, W10622098, W10622099.