Main PCB Assembly
The EBR78643409 is a main pcb assembly for LG appliances. Basic tools needed. Compare prices from top sellers.
Replaces: 4119157, AP5977760
Moderate Repair
Genuine LG OEM Part
Does this part fit my model?
Need help?Price Comparison
5 stores · Updated May 16, 2026
Lowest$336.46
4.6(3.6k)In Stock
Go to Store
$343.87
4.8(728)In Stock
Go to Store
$357.06
4.8(21.9k)In Stock
Go to Store
$390.18
4.5(13.6k)In Stock
Go to Store
$214.44
4.4(3.1k)Preorder
Go to StoreEnsure your LG refrigerator operates at peak performance with the EBR78643409 main PCB assembly. This essential circuit board functions as the brain of your appliance, effectively managing the timer functions and ensuring precise temperature control. Designed specifically for LG models, this high-quality replacement part is engineered for durability and reliability, helping to extend the lifespan of your refrigerator. Whether you're upgrading an older unit or replacing a faulty board, the EBR78643409 is an ideal choice for restoring optimal functionality. Easy to install, this part allows for a hassle-free repair process, making it a must-have for DIY enthusiasts and professional technicians alike. Keep your food fresh and your fridge running smoothly with this dependable component.
0 reviews
Loading models...