The Samsung NC1MV72ASR/SM3 Refrigerator Compressor R-134A is a replacement compressor designed for select Samsung refrigerator models that use R-134A refrigerant. It compresses and circulates refrigerant through the cooling system to maintain the proper temperature inside the refrigerator and freezer compartments. This replacement compressor is designed to replace a faulty or worn ori... https://www.hnkparts.com/samsung-nc1mv72asr-sm3-refrigerator-compressor-r-134a