See part 503C in the diagram
Display Power Control Board Assembly
The EBR78723404 is a display power control board assembly for LG refrigerator. Significant disassembly required. Compare prices from top sellers.
Advanced Repair
Fits LG appliances
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2 stores · Updated May 16, 2026
Lowest$66.68
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$88.93
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Go to StoreThis is a genuine OEM item made by LG. NOTE: When ordering parts from the website, please verify your part number is correct for your model before ordering. Parts may look the same but the size and shape can have small variations.
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Common Problems This Part Fixes
Fridge too warm
Freezer section too warm
Fridge and Freezer are too warm
Fridge too cold
Freezer too cold
Will not start
Water dispenser not working
Repair difficulty: Advanced - significant disassembly and multiple tools required
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