The Whirlpool 12002355 OEM French Door refrigerator temperature sensor is a crucial component that monitors the internal temperature of your refrigerator. Here’s some information about this part: **What does it do?** The temperature sensor is designed to measure the temperature inside the refrigerator compartment and send the data to the control panel, which then uses this information to regulate the compressor, fan, and evaporator coils to maintain a consistent refrigerated temperature. **Why is it important?** A faulty or malfunctioning temperature sensor can lead to: 1. Inconsistent refrigerator temperatures, potentially causing food spoilage or contamination. 2. Reduced appliance efficiency, leading to increased energy consumption and higher utility bills. 3. Potential damage to the appliance’s electrical components or compressor due to improper cooling conditions. **How to replace it?** Replacing the Whirlpool 12002355 OEM French door refrigerator temperature sensor typically involves: 1. Shutting off the power to the appliance at the circuit breaker or fuse box. 2. Disconnecting the electrical connections to the old sensor. 3. Removing the old sensor from its mounting bracket. 4. Installing the new sensor, ensuring proper alignment and securing it with screws or clips. **Tips and precautions** Before replacing the temperature sensor: 1. Make sure you have a replacement part that is compatible with your specific refrigerator model. 2. Consult your appliance’s user manual or online documentation for specific installation instructions. 3. Wear protective gloves and eyewear when handling electrical components. 4. Ensure proper ventilation during the repair process to avoid exposure to refrigerant gases. **Estimated cost** The estimated cost of a replacement Whirlpool 12002355 OEM French door refrigerator temperature sensor can vary depending on the retailer, availability, and shipping costs. You can expect to pay anywhere from $10 to $50 for a genuine or compatible part. Please note that this is general information, and it’s always recommended to consult with a professional appliance technician if you’re unsure about replacing any component of your refrigerator.