The Choke Cover is an OEM part for LG microwaves. This is a protective shield that covers the microwave’s internal components, preventing interference and ensuring the safe operation of the microwave.   Causes of a bad choke cover can include physical damage from accidental impacts, deterioration due to prolonged use, or exposure to high temperatures. Symptoms of a bad choke cover include: Unusual noises during microwave operation Visible cracks or damage to the cover Microwave not heating food properly Sparks or arcing inside the microwave This OEM LG part is also compatible with some Kenmore models.3552W1A032J (AP4991022) replaces 1467963, 3552W1A063A, AH3520498, EA3520498, PS3520498.