HP G6H51-67064 is a PPC-7151W front bezel module for the HP DesignJet HD Pro MFP, product 2QX51B. It is the front-facing enclosure component identified for this device, intended for use as a replacement module in that assembly.
The part number distinguishes this module from other PPC-7151W components, including the panel module and side USB module. Its designation is specifically Front Bezel Module, making it the matching front bezel part listed for the DesignJet HD Pro MFP.