See part 552201B in the diagram
Check Valve
The 3A01020G is a check valve for LG ac. Basic tools needed. Compare prices from top sellers.
Replaces: 1519410
Moderate Repair
Fits LG appliances
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2 stores · Updated May 15, 2026
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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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