Brand and replacement part Refrigerator Defrost Sensor for LG models AP4438477, PS3529340, 6615JB2005H Compatible with LG refrigerator sensor and defrost fuse applications Easy and convenient to Key benefits Functional protection: provides accurate defrost cycle sensing to prevent frost buildup and maintain proper refrigerator temperatures. Reliable compatibility: specifically designed to fit LG models AP4438477, PS3529340, and 6615JB2005H, ensuring correct fit and electrical connections. Simple installation: crafted for straightforward replacement with minimal downtime and tool requirements. Quality construction: built as a , brand replacement part to restore normal defrost operation and extend appliance life. What this part does Replaces the defrost sensor in LG refrigerators to regulate the defrost cycle. Can be used in applications requiring a defrost sensor or defrost fuse replacement in compatible LG units. Helps maintain energy efficiency by ensuring the defrost system operates as intended. Specifications and compatibility Brand: LG replacement part Model compatibility: AP4438477, PS3529340, 6615JB2005H Function: defrost sensor and related defrost fuse applications as a replacement part Recommended use scenarios Scenario 1: Frost buildup or ice accumulation in the freezer due to a faulty defrost sensor; replacing with this part restores proper defrost cycling. Scenario 2: Refrigerator running continuously or failing to reach set temperatures because the defrost control is not functioning correctly; replacement helps reestablish normal operation. Scenario 3: After maintenance or part failure, upgrading to a defrost sensor to ensure reliable defrost performance and consistent cooling. Notes Please verify model compatibility (AP4438477, PS3529340, 6615JB2005H) before . Refer to your LG appliance manual for replacement instructions and safety precautions.