See part 552200 in the diagram
Expansion Valve Body
The MJX63991901 is a expansion valve body for LG ac. Professional installation recommended. Compare prices from top sellers.
Professional Repair
Fits LG appliances
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1 store · Updated May 18, 2026
Lowest$54.41
4.4(3.1k)Preorder
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Common Problems This Part Fixes
Not cooling
Repair difficulty: Professional - sealed system - professional installation recommended
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