WR49X391 Appli Parts Defrost Heater Assembly APDH-9G391 Compatible with General Electric Universal: Will fit various models of refrigerators. Replaces WR49X391 Fits: Will work with Kenmore, GE, Hotpoint, RCA, JC Penney Brand of refrigerators Use: Keeps refrigerator/freezer from building ice in the interior walls Diy: We encourage contacting a service tech, however, this is part may take some skills to replace Quality: All our products are designed and manufactured following very strict procedures and high quality standards during their manufacture. An optimal selection of materials is made, combined with research and development procedures, which guarantee the durability and performance of each manufactured product, offering our customers the same efficiency expected from an original part