The LG ADD74236501 Refrigerator Door Foam Assembly is used to restore proper insulation and structural support within compatible refrigerator doors. This foam insert is positioned inside the door panel, where it fills the internal cavity and reinforces the outer and inner liners. It operates by creating an insulated barrier that helps regulate internal temperature and maintain stable ... https://www.hnkparts.com/add74236501-refr-door-foam-assembly