Which display back cover fits the HP ProBook 455 G8? OEM part numbers

2 display back covers are documented for the HP ProBook 455 G8: M21987-001, M21989-001. 2 of 2 come from OEM documentation (kaas.hpcloud.hp.com); last checked 2026-11-01. Not bench-tested: match the number on your old display back cover and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
M21987-001	HP display back cover M21987-001	HP lists this spare part number for the HP ProBook 455 G8 in its Maintenance and Service Guide (printed p.22).	OEM documented	2026-11-01
M21989-001	HP display back cover M21989-001	HP lists this spare part number for the HP ProBook 455 G8 in its Maintenance and Service Guide (printed p.22).	OEM documented	2026-11-01

Where do these HP ProBook 455 G8 display back cover part numbers come from?

2 of 2 fits are from OEM documentation (kaas.hpcloud.hp.com); each row links its source. Last checked 2026-11-01.

Are these display back covers tested in the HP ProBook 455 G8?

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 ProBook 455 G8.

Other parts for the HP ProBook 455 G8

Heat Sink (1) · Bottom Cover (1) · Fan (1) · Battery (1) · Screen (8) · Power Adapter (6) · Keyboard (6) · Power Cord (18) · Antenna (1) · SSD (4) · Speakers (1) · Display Bezel (3) · Cable (3) · Touchpad (1) · Wireless Card (3) · Camera (2) · RTC Battery (1) · Hinge (1) · Microphone (1) · Fingerprint Reader (3) · I/O Board (1) · Service Part (7) · Memory (3) · Screw Kit (1)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-probook-455-g8) or the keyless JSON API.