Experiencing frost build-up in your Midea refrigerator or freezer? The defrost heater (17431000030385) could be the part you need. This genuine component is designed for Midea single door refrigerators and 17 cu. ft. convertible upright freezer/fridge models. Over time, defrost heaters can become less effective, leading to ice accumulation. Replacing this part can address issues with frost and ice build-up inside your appliance. Check your device's model number to confirm compatibility before purchasing.