The Lint Screen Housing is an OEM replacement part for Whirlpool dryers. It contains a lint screen that traps lint and debris before it recirculates through the dryer. Causes of a bad lint screen housing involve normal wear and tear compromising the structural integrity. Exposure to excessive heat cycles or physical impacts can accelerate damage. Failure to routinely clean out lint buildup contributes to breakdown of the housing over time. Symptoms of a bad lint screen housing include: Loose or damaged screen that fails to securely trap lint resulting in inefficient drying times or excess lint accumulation inside the dryer. Over years of use, the housing plastic can deteriorate or break, rendering the lint screen ineffective. This is a genuine Whirlpool OEM replacement this part is also compatible with Maytag, Jenn-Air and some Kenmore models.Part Number W11129408 (AP6261423) replaces 8563755, W10685669, WP8563755, 3391930, 3394985, 4545776, 697768, 8578204, PS12114481, W10153414.