Refrigerator Defrost Sensor For: LG 6615JB2005H, AP4438477, PS3529340

Refrigerator Defrost Sensor – LG Compatible Replacement

This ERP aftermarket refrigerator defrost sensor replaces the LG 6615JB2005H reference on compatible refrigerators. It monitors temperature during the defrost cycle so the appliance can manage frost removal and return to normal cooling. This is a direct replacement part, not a genuine LG-manufactured component.

Compatible Part Numbers

• 6615JB2005H
• AP4438477
• PS3529340
• ER6615JB2005H 

Key Features

• Direct replacement: Aftermarket defrost sensor designed for appliances that specify the listed LG replacement references.
• Primary function: Senses refrigerator temperature during the defrost cycle and helps control frost removal.
• Key benefit: Helps support proper defrosting, cooling performance, and temperature control when the original sensor is faulty.
• Installation ease: Disconnect power, transfer the connector and mounting position carefully, secure the sensor in its original location, and test the appliance after reassembly.

Fixes These Symptoms

• Heavy frost or ice buildup in the evaporator area
• Refrigerator not completing the defrost cycle
• Warm refrigerator or inconsistent cooling
• Defrost-related error symptoms or repeated cooling problems

Compatible OEM Brands

• LG

Compatible Models

Fits various models. Please verify compatibility with us before ordering

Installation Guidance

Disconnect power before servicing. Access the sensor, document the connector and mounting position, and replace the sensor in the same location and orientation. Reinstall covers, restore power, and monitor the refrigerator through a complete cooling and defrost cycle. Confirm the model and part number before ordering.

Disclosure

Prop 65 Warning: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. See www.P65Warnings.ca.gov.

Always verify your complete appliance model number before ordering.