Which heat sink fits the HP EliteBook 640 G9? OEM part numbers

3 heat sinks are documented for the HP EliteBook 640 G9: N03344-001, N03345-001, N15764-001. 3 of 3 come from OEM documentation (partsurfer.hp.com); last checked 2026-10-26. Not bench-tested: match the number on your old heat sink and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
N03344-001	HP heat sink N03344-001	Listed for 2 of 5 checked HP EliteBook 640 G9 product numbers (7M9K9US, 7M9L0US), so it is configuration-specific. HP description: "SPS-HEATSINK DSC". 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 2 of 5 checked product numbers (7M9K9US, 7M9L0US); confirm your product number on HP PartSurfer before ordering.	OEM documented	2026-10-26
N03345-001	HP heat sink N03345-001	Listed for 3 of 5 checked HP EliteBook 640 G9 product numbers (6L6V0US, 6Y8A0US, 6Z7U1US), so it is configuration-specific. HP description: "SPS-HEATSINK UMA". 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 3 of 5 checked product numbers (6L6V0US, 6Y8A0US, 6Z7U1US); confirm your product number on HP PartSurfer before ordering.	OEM documented	2026-10-26
N15764-001	HP heat sink N15764-001	Listed for 1 of 5 checked HP EliteBook 640 G9 product numbers (6Z7U1US), so it is configuration-specific. HP description: "SPS-HEATSINK 14/15 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 only 1 of 5 checked product numbers (6Z7U1US); confirm your product number on HP PartSurfer before ordering.	OEM documented	2026-10-26

Where do these HP EliteBook 640 G9 heat sink part numbers come from?

3 of 3 fits are from OEM documentation (partsurfer.hp.com); each row links its source. Last checked 2026-10-26.

Are these heat sinks tested in the HP EliteBook 640 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 640 G9.

Other parts for the HP EliteBook 640 G9

Power Adapter (48) · Hinge (1) · Speakers (1) · Cable (24) · RTC Battery (1) · I/O Board (2) · Battery (2) · Screen (6) · Fan (3) · Display Cable (1) · Display Bezel (6) · Display Back Cover (5) · Bottom Cover (3) · Keyboard (4) · Touchpad (2) · Camera (2) · SSD (12) · Wireless Card (6) · Power Cord (77) · Microphone (1) · Fingerprint Reader (3) · Antenna (3) · Motherboard (21) · Service Part (19) · Memory (4) · Card Reader (1) · Screw Kit (3)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-elitebook-640-g9) or the keyless JSON API.