See part D07 in the diagram
Rectifier Diode
The 0DD400409AA is a rectifier diode for LG microwave. Basic tools needed. Compare prices from top sellers.
Moderate Repair
Fits LG appliances
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1 store · Updated May 14, 2026
Lowest$5.48
4.8(21.9k)Preorder
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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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