Found similar product in stock: SPS-BASE ENCLOSURE SDB 83W (MPN: P23100-001)
The HP P23100-001 Base Enclosure is a Shadow Black bottom cover spare part for the HP 16-ap0xxx OMEN 16 laptop family. It is intended for replacing the lower enclosure when servicing the computer.
This is the 83W configuration. HP lists the separate Shadow Black 70W cover under part number P23099-001, so P23100-001 identifies a specific cover variant. The service guide includes a procedure for removing and replacing the bottom cover.
The part is listed as the SDB 83W base enclosure. Its role is limited to the laptop’s lower cover; the listing does not establish that other components or installation accessories are included.