Main PCB Assembly
Part # EBR78940510·LG

Main PCB Assembly

The EBR78940510 is a main pcb assembly for LG appliances. Basic tools needed. Compare prices from top sellers.

Replaces: 4509511
Moderate Repair

Genuine LG OEM Part

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Price Comparison

4 stores · Updated May 16, 2026
Part AdvantageLowest
$307.62
4.8(728)Preorder
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PartSelect
$340.99
4.5(13.6k)Preorder
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ApplianceParts Pro
$348.95
4.8(21.9k)Preorder
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RepairClinic
$424.33
4.4(3.1k)Preorder
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Maintain the performance of your LG refrigerator with the EBR78940510 main PCB assembly. This vital circuit board is designed specifically for LG appliances, ensuring seamless compatibility and reliable functionality. The assembly includes a timer and overlay, crucial for maintaining optimal temperature settings and efficient energy use. Crafted with precision, this part is essential for repairing or replacing faulty components within your refrigerator. Whether you're dealing with temperature fluctuations or erratic behavior, this circuit board provides a durable solution to restore your appliance to peak condition. Easy to install, it's an ideal choice for both professionals and DIY enthusiasts aiming to extend the lifespan of their LG refrigerator. Invest in quality to ensure your appliance works as intended for years to come.

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