See part 552200 in the diagram
Expansion Body Valve
The MJX63991801 is a expansion body valve for LG ac. Basic tools needed. Compare prices from top sellers.
Moderate Repair
Fits LG appliances
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4 stores · Updated May 18, 2026
Lowest$45.34
4.4(3.1k)Preorder
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$46.25
4.8(728)Preorder
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$50.95
4.8(21.9k)Preorder
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$66.25
4.5(13.6k)Preorder
Go to StoreMJX63991801 is an original equipment manufactured (OEM) part. Enhance the performance of your air conditioning unit with this high-quality valve and float assembly from LG Electronics. Designed specifically for compatibility with LG appliances, this part ensures optimal efficiency and reliable operation. The MJX63991801 model is crafted to replace worn or malfunctioning components, helping to maintain the ideal cooling environment in your space. By ensuring proper flow and function, this expansion body valve contributes significantly to the longevity and effectiveness of your AC system. Trust in a brand known for durability and innovation to keep your home comfortable. Maintain your appliance with this essential part and enjoy peace of mind knowing that your cooling system is in good hands.
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Common Problems This Part Fixes
Not cooling
Repair difficulty: Moderate - basic tools and 1-2 panels to remove
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