The Water Tank Assembly is an OEM replacement part for GE refrigerators. It holds a supply of filtered water for dispensed drinking through the door. Causes of water tank issues include mineral buildup over time reducing flow, cracks developed from cooling cycles, and O-ring seals drying out. Symptoms consist of: Slow or decreased water flow from dispenser Water leaks observable around tank area Mold or odors growing inside unclean components Error codes related to water pressure issues This OEM GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.WR17X11176 (AP3189633) replaces 945258, AH652167, EA652167, PS652167, WR17X11437.