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Genuine Lg part.
Part Number AGB73932401 replaces AP6233774, 4505818, PS12078485.
The Lower Spray Arm is an OEM part for LG dishwashers. It is responsible for cleaning dishes positioned in the lower rack through its rotating spray of water.
Causes of failure can be mineral or limescale buildup inhibiting rotation, broken or loosened mounting brackets, or damage from impact.
Symptoms of a bad lower spray arm include:
This OEM LG part is also compatible with some Kenmore models.
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Lg AGB73932401 Lower Spray Arm OEM Part