Which heat sink fits the HP EliteBook 840 G4? OEM part numbers

1 heat sink is documented for the HP EliteBook 840 G4: 821163-001. 1 of 1 comes from OEM documentation (partsurfer.hp.com); last checked 2026-10-23. Not bench-tested: match the number on your old heat sink and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
821163-001	HP heat sink 821163-001	Listed for all 1 checked HP EliteBook 840 G4 product numbers. HP description: "Heatsink (thermal module) with cooling fans". 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 heat sink part numbers come from?

1 of 1 fits are from OEM documentation (partsurfer.hp.com); each row links its source. Last checked 2026-10-23.

Are these heat sinks 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) · Hinge (3) · 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.