Defrost Timer
The 4390515 is a defrost timer for Whirlpool refrigerator. Basic tools needed. Compare prices from top sellers.
Moderate Repair
Fits 2 brands
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1 store · Updated May 15, 2026
Lowest$92.31
4.4(3.1k)Preorder
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Common Problems This Part Fixes
Freezer not defrosting
Fridge runs too long
Repair difficulty: Moderate - basic tools and 1-2 panels to remove
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