HP 844390-001 Top Cover is the upper cover component listed for the HP EliteBook Folio 1040 G3 Notebook PC. It is a replacement part for the notebook’s top-cover area.
The service guide identifies it by the exact spare part number 844390-001 and lists it separately from the bottom cover, part number 844389-001. This distinction helps identify the upper component in the notebook’s parts catalog.
Use this part reference when servicing the top cover of the HP EliteBook Folio 1040 G3. The guide identifies it as a component spare part; it does not specify package contents.