Dell 9KD8K is a black plastic cover assembly for a laptop LCD display. It is a replacement part for the display’s outer cover, intended for use with the Dell Vostro 15 3530 and 3535.
The listing identifies the component as a black plastic LCD cover. Its role is to cover the laptop display assembly; the confirmed model references are Vostro 15 3530 and 3535. This description concerns the cover assembly itself, not a complete screen or display panel.