Which display back cover fits the HP Fortis 11 G9 Chromebook? OEM part numbers

2 display back covers are documented for the HP Fortis 11 G9 Chromebook: M55115-001, M55116-001. 1 of 2 comes from OEM documentation (kaas.hpcloud.hp.com, support.hp.com); last checked 2026-11-10. Not bench-tested: match the number on your old display back cover and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
M55115-001	HP display back cover M55115-001	HP lists this spare part number for the HP Fortis 11 G9 Chromebook in its Maintenance and Service Guide (printed p.15).	OEM documented	2026-11-01
M55116-001	HP display back cover M55116-001	HP spare part: Display back cover. Unverified source; not bench-tested.	Not sure (under 90%)	2026-11-10

Where do these HP Fortis 11 G9 Chromebook display back cover part numbers come from?

1 of 2 fits are from OEM documentation (kaas.hpcloud.hp.com, support.hp.com); each row links its source. Last checked 2026-11-10.

Are these display back covers tested in the HP Fortis 11 G9 Chromebook?

No. Fits come from manufacturer or retailer documentation and are not bench-tested. Check the part number on your old part and any listed constraint.

All documented parts for the HP Fortis 11 G9 Chromebook.

Other parts for the HP Fortis 11 G9 Chromebook

Keyboard (53) · Heat Sink (2) · Battery (3) · Bottom Cover (2) · Screen (3) · Power Adapter (1) · Hinge (2) · Power Cord (17) · Display Cable (2) · Cable (2) · Speakers (1) · Display Bezel (1) · Camera (1) · Touchpad (3) · I/O Board (1) · Wireless Card (2) · Bracket (2) · Motherboard (7) · Antenna (1) · Service Part (2) · Screw Kit (1)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-fortis-11-g9-chromebook) or the keyless JSON API.