Transformer
The W10278021 is a transformer for Whirlpool microwave. Basic tools needed. Compare prices from top sellers.
Replaces: 1550275
Moderate Repair
Genuine Whirlpool OEM Part
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Need help?Price Comparison
4 stores · Updated May 18, 2026
Lowest$196.95
4.8(728)In Stock
Go to Store
$202.50
4.6(3.6k)In Stock
Go to Store
$223.48
4.8(21.9k)Preorder
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$259.67
4.4(3.1k)Preorder
Go to StoreThis is a genuine OEM part that works for some models of Whirlpool, Jenn-Air, Kenmore, KitchenAid, Maytag, Amana, Magic Chef, Admiral, Norge, and Roper models.
0 reviews
Common Problems This Part Fixes
Not heating
Trips breaker or blows fuse
Repair difficulty: Moderate - basic tools and 1-2 panels to remove
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