Which heat sink fits the HP EliteBook 840 G9? OEM part numbers

2 heat sinks are documented for the HP EliteBook 840 G9: N07344-001, N07345-001. 2 of 2 come 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
N07344-001	HP heat sink N07344-001	Listed for 4 of 8 checked HP EliteBook 840 G9 product numbers (6T836US, 6X5F9US, 6Z0N8US, 6Y831US), so it is configuration-specific. HP description: "SPS-THERMAL MODULE UMA 15W". 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 5 of 9 checked product numbers (4B849AV, 6T836US, 6X5F9US, 6Y831US, 6Z0N8US); confirm your product number on HP PartSurfer before ordering.	OEM documented	2026-10-23
N07345-001	HP heat sink N07345-001	Listed for 4 of 8 checked HP EliteBook 840 G9 product numbers (6U9N7US, 6Z9M1US, 734R5US, 73B19US), so it is configuration-specific. HP description: "SPS-THERMAL MODULE UMA 28W". 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 4 of 9 checked product numbers (6U9N7US, 6Z9M1US, 734R5US, 73B19US); confirm your product number on HP PartSurfer before ordering.	OEM documented	2026-10-23

Where do these HP EliteBook 840 G9 heat sink part numbers come from?

2 of 2 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 G9?

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 G9.

Other parts for the HP EliteBook 840 G9

Power Adapter (49) · Battery (3) · Fingerprint Reader (2) · Display Back Cover (4) · Display Bezel (5) · Bottom Cover (2) · Hinge (1) · Touchpad (2) · Speakers (2) · Fan (2) · Display Cable (1) · Keyboard (99) · Camera (2) · RTC Battery (1) · Screen (5) · Power Cord (76) · SSD (10) · Wireless Card (6) · Card Reader (1) · I/O Board (1) · Motherboard (30) · Microphone (1) · Service Part (42) · Cable (15) · 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-elitebook-840-g9) or the keyless JSON API.