Which hinge fits the HP EliteBook 840 G4? OEM part numbers

3 hinges are documented for the HP EliteBook 840 G4: 821166-001, 903005-001, 903007-001. 3 of 3 come from OEM documentation (partsurfer.hp.com); last checked 2026-10-23. Not bench-tested: match the number on your old hinge and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
821166-001	HP hinge part 821166-001	Listed for all 1 checked HP EliteBook 840 G4 product numbers. HP description: "Hinge kit - Includes left and right side hinge assemblies". Confirm your product number on HP PartSurfer before ordering. OEM parts list only; not bench-tested.	OEM documented	2026-10-23
903005-001	HP hinge part 903005-001	Listed for all 1 checked HP EliteBook 840 G4 product numbers. HP description: "Hinge kit - Includes left and right side hinge assemblies - For use with privacy displays". Confirm your product number on HP PartSurfer before ordering. OEM parts list only; not bench-tested.	OEM documented	2026-10-23
903007-001	HP hinge cover kit 903007-001	Listed for all 1 checked HP EliteBook 840 G4 product numbers. HP description: "Hinge cover kit (plastic) - Includes left and right side hinge covers - For use with privacy displays". Confirm your product number on HP PartSurfer before ordering. OEM parts list only; not bench-tested.	OEM documented	2026-10-23

Where do these HP EliteBook 840 G4 hinge part numbers come from?

3 of 3 fits are from OEM documentation (partsurfer.hp.com); each row links its source. Last checked 2026-10-23.

Are these hinges tested in the HP EliteBook 840 G4?

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 EliteBook 840 G4.

Other parts for the HP EliteBook 840 G4

Power Adapter (7) · Battery (2) · RTC Battery (1) · Display Bezel (1) · Camera (1) · Palmrest (2) · Screen (5) · Display Back Cover (1) · Bottom Cover (1) · Heat Sink (1) · Keyboard (8) · Speakers (1) · Touchpad (2) · Power Cord (35) · Wireless Card (7) · Fingerprint Reader (1) · Card Reader (1) · Cable (1) · SSD (8) · I/O Board (1) · Motherboard (11) · Microphone (1) · Service Part (5) · Memory (3) · Hard Drive (6) · Display Cable (1) · Screw Kit (1)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-elitebook-840-g4) or the keyless JSON API.