Perfect Replacement 630811 heater elements, 300W 120V, replaces 638374 heating elements. Comapatible Fit for N640N81N821N822N84N10956086186898918 Series for refrigerator cooling unit serial number 11232008. Fit for N61N62N641N823N8244624636066166696916 Serie for refrigerator cooling unit serial number 11231024. Fit for NX64NX84NXA64NXA84 Serie for refrigerator cooling unit. High Quality The heating elements is made of high quality materials that can withstand higher temperatures, resist corrosion, and minimize failures and extend the life of your cooling unit. tip: Slightly different in kind Material: Metal colour: As shown Package Contents: 1 x 630811 Heater Elements kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing.