The compression ring works for a variety of fans throughout your refrigerator, the evaporator fan or condenser fan. If you notice your refrigerator or freezer is too warm, or there is an unusual sound during operation you may need to replace the compression ring. This part is made of metal, measures approximately 0.25” L x 0.5” in diameter, and is sold individually. This is a genuine OEM part. Please remember to disconnect the power before starting your repair.