HP L90412-001 Cable Kit is a service parts kit containing cables used inside a Chromebook. It brings together connections for several boards and modules, making it a parts option for relevant repair work.
The kit includes high-power and low-power connector board cables, plus a sensor board cable and a touchpad cable. It also contains a webcam/microphone module cable, covering connections for those components.
Display bezel tape is included as well. HP lists L90412-001 as the Cable Kit spare part number in its service documentation.