The Lint Filter Guide is an OEM part for LG dryers. It holds the removable lint filter screen securely in place. Proper alignment and secure mounting of the lint filter is important for effective filtration. Causes of a faulty lint filter guide can include wear and tear from years of inserting and removing lint screens. Damage such as cracks or breaks could compromise secure mounting. Symptoms of a problematic filter guide include: The lint screen not sitting correctly or falling out of alignment Inability to fully insert or remove the lint screen Lint scattering inside washer rather than collecting in screen This OEM LG part is also compatible with some Kenmore models.Part Number 4974EL1003B (AP4440623) replaces 1267784, 4974EL1003A, 4974EL1003D, AH3524629, EA3524629, PS3524629.