The Water Filter is an OEM part for Samsung refrigerators. This part filters and purifies the water used for drinking and ice making, ensuring that it is clean and free from contaminants. Causes of a bad water filter can include sediment buildup over time, exceeding the filter's recommended usage period, or exposure to contaminants that the filter cannot handle. Symptoms of a bad water filter include: Reduced water flow from the dispenser Unpleasant taste or odor in the water or ice Indicator light signaling a need for replacement Visible sediment or particles in the water This OEM Samsung part is also compatible with some Kenmore models.DA97-17376B (AP6329860) replaces 4591564, PS12394377.