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Bimetal Defrost

Part Number: AP3108444
MFG Part Number: 4387489
Made by: Whirlpool
Our Price
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$36.77 $16.66

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3 Questions & Answers


Ref Defrost Thermostat L70 Comes With Bracket

Genuine Whirlpool part. Whirlpool brands include Whirlpool, Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and others. See all items in Freezer Defrost Thermostat, Sensor and Refrigerator Defrost Thermostat, Sensor.
Whirlpool also makes various appliance models for Sears / Kenmore.

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Cross Reference Information

Part Number 4387489 (AP3108444) replaces 1103841, 1103842, 1106890, 1108182, 2946, 434424, 480478, 480594, 480595, 480851, 481227, 482290, 482697, 483006, 483007, 513315, 513548, 513574, 513989, 513990, 515246, 515315, 530215, 530216, 530217, 530253, 530254, 530317, 530318, 530327, 530328, 530435, 530990, 531068, 531069, 531479, 531480, 531668, 531669, 531676, 531678, 531679, 531680, 531689, 531690, 531813, 531814, 547048, 547069, 547088, 547089, AH371244, EA371244, PS371244.

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Repair Video

How to Replace Bimetal Defrost #4387489

Step by step instructions on how to replace a Bimetal Defrost #4387489 for Freezer, Refrigerator made by Whirlpool, Kenmore. Note: This video is intended to give you the general idea of the part replacement procedure. Your appliance may differ depending on the manufacturer and model.


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I need to know how to wire this to my model as both wires are brown and I do not know how to install this. Please help.

Samia for Model Number 106.722431


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No power, lights come on but no fans or compressure. What could lock this out ?

Dennis for Model Number whirlpool mark series ed19mtilnro


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How can I test Defrost Thermostat/Bi-metal P/N 4387489 Whirlpool, and Defrost timer P/N 482473?

Randall for Model Number 106.8253050


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