Main Control Board Assembly
Part # EBR78643401·LG

Main Control Board Assembly

The EBR78643401 is a main control board assembly for LG appliances. Significant disassembly required. Compare prices from top sellers.

Replaces: 3287314
Advanced Repair

Genuine LG OEM Part

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5 stores · Updated May 16, 2026
Part AdvantageLowest
$268.95
4.8(728)In Stock
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Parts Dr
$354.27
4.6(3.6k)In Stock
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ApplianceParts Pro
$357.06
4.8(21.9k)In Stock
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PartSelect
$390.18
4.5(13.6k)In Stock
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RepairClinic
$324.43
4.4(3.1k)Preorder
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Ensure your refrigerator operates at peak efficiency with this high-quality main control board assembly. Designed specifically for LG appliances, this circuit board serves as the brain of your refrigerator, managing critical functions with precision. Whether you're troubleshooting a malfunction or upgrading your appliance, this timer and overlay assembly is a reliable choice for any LG refrigerator. Precision-engineered to meet the brand's high standards, this control board guarantees compatibility and seamless integration with your existing setup. Installation is straightforward, making it an ideal solution for both DIY enthusiasts and professional technicians. Don’t let appliance issues disrupt your daily routine; Maintain the performance and longevity of your refrigerator with this essential component today.

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