Lenovo Small Mylar + Synaptics PCB, GS Black (01YU051) is a notebook spare part described as a replacement PCB module for a Lenovo touchpad using the Synaptics Small Mylar design. It is intended for touchpad repair or refurbishment when the matching assembly needs this component.
The part is also identified by OEM references FRU01YU051 and 883411. Its catalogue description specifies the GS Black version. This is a focused replacement component for the touchpad assembly, rather than a complete notebook or touchpad unit.