Which power adapter fits the HP EliteBook 840 G8? OEM part numbers

6 power adapters are documented for the HP EliteBook 840 G8: 710412-001, 741727-001, L21487-001, L32392-001, L43407-001 and 1 more. 6 of 6 come from OEM documentation (partsurfer.hp.com, kaas.hpcloud.hp.com); last checked 2026-11-01. Not bench-tested: match the number on your old power adapter and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
710412-001	HP 710412-001 Power Adapter	Listed for 6 of 8 checked HP EliteBook 840 G8 product numbers (3D2H5US, 563N2US, 545Y8US, 54N20US, 579Y3US, 60R89US), so it is configuration-specific. HP description: "SKO-65W ADPTR nPFC S-3P 4.5MM". Confirm your product number on HP PartSurfer before ordering. OEM parts list only; not bench-tested.	OEM documented	2026-10-23
741727-001	HP 741727-001 Power Adapter	Listed for 1 of 8 checked HP EliteBook 840 G8 product numbers (55F54US), so it is configuration-specific. HP description: "SKO-45W ADPTR NPFC SMART RC 4.5mm NSLIM". Confirm your product number on HP PartSurfer before ordering. OEM parts list only; not bench-tested.	OEM documented	2026-10-23
L21487-001	HP AC adapter 65 W nPFC USB-C travel L21487-001	HP lists this spare part number for the HP EliteBook 840 G8 in its Maintenance and Service Guide (printed p.24).	OEM documented	2026-11-01
L32392-001	HP L32392-001 Power Adapter	HP lists this spare part number for the HP EliteBook 840 G8 in its Maintenance and Service Guide (printed p.24).	OEM documented	2026-11-01
L43407-001	HP 45W USB-C AC adapter	HP lists this spare part number for the HP EliteBook 840 G8 in its Maintenance and Service Guide (printed p.24).	OEM documented	2026-11-01
L67440-001	HP L67440-001 Power Adapter	Listed for 1 of 8 checked HP EliteBook 840 G8 product numbers (560P9US), so it is configuration-specific. HP description: "SKO-65W ADPTR, nPFC, USB-C 1.8m, Ceto". Confirm your product number on HP PartSurfer before ordering. OEM parts list only; not bench-tested. Config limit: in the cached HP PartSurfer BOMs this part is listed on only 1 of 10 checked product numbers (560P9US); confirm your product number on HP PartSurfer before ordering.	OEM documented	2026-10-23

Where do these HP EliteBook 840 G8 power adapter part numbers come from?

6 of 6 fits are from OEM documentation (partsurfer.hp.com, kaas.hpcloud.hp.com); each row links its source. Last checked 2026-11-01.

Are these power adapters tested in the HP EliteBook 840 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 EliteBook 840 G8.

Other parts for the HP EliteBook 840 G8

RTC Battery (1) · Battery (1) · Hinge (1) · Display Bezel (5) · Display Cable (1) · Cable (7) · Display Back Cover (4) · Bottom Cover (1) · Keyboard (6) · Screen (6) · Fingerprint Reader (1) · I/O Board (1) · Touchpad (3) · Heat Sink (2) · Camera (3) · Speakers (2) · Power Cord (69) · SSD (14) · Wireless Card (4) · Fan (1) · Card Reader (1) · Microphone (2) · Motherboard (6) · Service Part (3) · Memory (4) · 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-g8) or the keyless JSON API.