Which heat sink fits the HP ZBook Studio G4? OEM part numbers

2 heat sinks are documented for the HP ZBook Studio G4: 922945-001, 922946-001. 2 of 2 come from OEM documentation (h10032.www1.hp.com); last checked 2026-10-27. Not bench-tested: match the number on your old heat sink and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
922945-001	HP heat sink 922945-001	HP guide description: "Thermal module (includes replacement thermal material): For use only with models with discrete graphics memory". OEM documentation only; not bench-tested.	OEM documented	2026-10-27
922946-001	HP heat sink 922946-001	HP guide description: "Thermal module (includes replacement thermal material): For use only with models with UMA graphics memory". OEM documentation only; not bench-tested.	OEM documented	2026-10-27

Where do these HP ZBook Studio G4 heat sink part numbers come from?

2 of 2 fits are from OEM documentation (h10032.www1.hp.com); each row links its source. Last checked 2026-10-27.

Are these heat sinks tested in the HP ZBook Studio 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 ZBook Studio G4.

Other parts for the HP ZBook Studio G4

Keyboard (33) · Battery (3) · Bottom Cover (1) · Screen (11) · Power Adapter (7) · SSD (8) · Memory (9) · Hinge (1) · Speakers (1) · Touchpad (1) · Wireless Card (4) · Display Cable (1) · Power Cord (17) · Service Part (6) · Palmrest (1) · Cable (2) · Motherboard (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-zbook-studio-g4) or the keyless JSON API.