The Gasket-Freezer Door is an OEM part for Frigidaire refrigerators. It ensures a tight seal around the freezer door, preventing warm air from entering and maintaining the correct temperature inside the freezer. The gasket measures approximately 28-1/2" x 17-3/4". You should replace this gasket if it becomes worn out or damaged. Causes of a bad gasket can include wear and tear from regular use, damage from cleaning or mishandling, or warping due to temperature fluctuations. Symptoms of a bad gasket include: Frost buildup inside the freezer The freezer not maintaining the correct temperature Increased energy consumption Visible cracks or tears in the gasket This OEM replacement is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore models.241872509 (AP4315906) replaces 1379485, 240514609, 240542109, 240542121, 5304439524, AH2331949, EA2331949, PS2331949.