Main PCB Assembly
Part # EBR74045822·LG·AC

Main PCB Assembly

The EBR74045822 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
$280.85
4.8(728)Preorder
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PartSelect
$318.67
4.5(13.6k)Preorder
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ApplianceParts Pro
$318.68
4.8(21.9k)Preorder
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RepairClinic
$325.04
4.4(3.1k)Preorder
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Maintain your LG air conditioning unit's performance with the EBR74045822 main PCB assembly. This essential component is designed to ensure optimal functionality, enhancing the efficiency and reliability of your air conditioning system. The circuit board serves as the brain of your appliance, managing vital operations and ensuring effective temperature control. Crafted by LG Electronics, this replacement part guarantees compatibility and durability for your air conditioner. Ideal for those seeking a long-lasting solution to restore their cooling system's performance, this main PCB assembly is a crucial addition to your maintenance toolkit. Ensure your comfort during hot months by replacing faulty components with this high-quality circuit board designed specifically for LG appliances.

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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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