Genuine Samsung heater metal sheath, DA47-00522B, is designed for use in your side-by-side refrigerator. If your fridge is not defrosting properly, this part may be faulty or damaged. A malfunctioning heater metal sheath can lead to frost buildup, affecting the cooling efficiency of your appliance. It's important to address these symptoms promptly to maintain optimal performance.

Verify your refrigerator's model number for compatibility before purchasing.