Let’s decode its name. tells us it’s an Original Equipment Manufacturer part—meaning it wasn’t bought off a shelf at a retail store, but rather pulled from HP’s own production line, destined for a specific line of laptops. WB918LA is the unique part number, while ABM likely refers to the lens module or sensor revision. The 1.75 is critical: it likely indicates the focal length (in millimeters) or the specific ribbon cable length, confirming compatibility with a narrow range of HP consumer notebooks from the mid-2010s. Finally, Top simply denotes its intended placement above the display panel.