See part 10 in the diagram
Support Bracket
The W10399840 is a support bracket for Whirlpool microwave. No tools needed. Compare prices from top sellers.
Easy Repair
Fits 3 brands
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4 stores · Updated Jun 12, 2026
Lowest$9.13
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$14.40
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$17.54
4.4(3.1k)Preorder
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$22.00
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Common Problems This Part Fixes
Sparking inside
Repair difficulty: Easy - no tools needed - drop-in or snap-in replacement
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