Supporter Circuit Board Assembly
See part 5471 in the diagram
Part # AJJ75138503·LG·Microwave

Supporter Circuit Board Assembly

The AJJ75138503 is a supporter circuit board assembly for LG microwave. Basic tools needed. Compare prices from top sellers.

Moderate Repair

Fits LG appliances

LG

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2 stores · Updated May 15, 2026
RepairClinicLowest
$131.34
4.4(3.1k)Preorder
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Part Advantage
$162.29
4.8(728)Preorder
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AJJ75138503 is an original equipment manufactured (OEM) part. Ensure your LG oven operates at peak performance with the AJJ75138503 circuit board assembly. This high-quality replacement part is essential for maintaining the timer and overlay functionalities of your appliance, guaranteeing precise cooking times and easy access to settings. Designed specifically for LG products, this circuit board seamlessly integrates into your oven, providing reliable support and enhancing durability. Made by LG Electronics, this component meets stringent manufacturing standards to ensure optimal compatibility. Whether you're performing a repair or a routine maintenance check, the AJJ75138503 offers a dependable solution for your cooking needs. Maintain your oven's efficiency today and enjoy consistent cooking results!

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