Main PCB Assembly
Part # EBR83943107·LG·AC

Main PCB Assembly

The EBR83943107 is a main pcb assembly for LG ac. Basic tools needed. Compare prices from top sellers.

Moderate Repair

Fits LG appliances

LG

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4 stores · Updated May 16, 2026
Part AdvantageLowest
$346.14
4.8(728)Preorder
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PartSelect
$392.77
4.5(13.6k)Preorder
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ApplianceParts Pro
$392.78
4.8(21.9k)Preorder
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RepairClinic
$400.63
4.4(3.1k)Preorder
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Elevate the performance of your LG appliance with the high-quality main PCB assembly, specially designed for seamless compatibility with LG air conditioning units. This essential circuit board is engineered for reliability, ensuring efficient operation and precise timing for your air conditioning system. Crafted by LG Electronics, a trusted leader in appliance technology, this part is built to meet stringent quality standards. Replacing your old or malfunctioning PCB will help restore optimal functionality, enhancing the cooling experience in your home. Installation is straightforward, making it a practical solution for both DIY enthusiasts and professionals. Ensure your air conditioning unit runs smoothly with this vital component that promises durability and performance. Invest in the right replacement part and enjoy peace of mind knowing your appliance is supported by top-quality engineering.

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Common Problems This Part Fixes

Not cooling
Not turning on
Fan not working
Remote or controls not working

Repair difficulty: Moderate - basic tools and 1-2 panels to remove

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