6615JB2005H Refrigerator Defrost Sensor – Replacement for LG and Kenmore

Product Overview

The 6615JB2005H Refrigerator Defrost Sensor is an aftermarket replacement designed to monitor freezer temperature during defrost cycles. A faulty sensor can cause frost buildup, cooling issues, or prevent defrosting altogether. This sensor helps ensure the defrost heater activates at the right time, protecting your evaporator from excessive ice accumulation and maintaining consistent refrigerator performance.

Replaces Part Numbers

This sensor replaces 6615JB2005H, 1266868, 6615JB2005M, AH3529340, EA3529340, AP4438477, PS3529340.

It is engineered to match OEM specifications for performance and fit in compatible LG and Kenmore models.

Compatible Brands

This defrost sensor is compatible with refrigerators made by LG and Kenmore (models manufactured by LG). It fits a variety of side-by-side, bottom freezer, and French door configurations.

Fixes the Following Issues

• Frost or ice buildup in freezer

• Defrost cycle not activating

• Refrigerator not cooling properly

• Temperature fluctuation or error codes

Why Buy from Parts‑O‑Matic

• Affordable, high-quality aftermarket solution

• Fast and free shipping throughout the U.S.

• Trusted by appliance repair professionals and DIYers

• Simple installation and reliable performance