Which heat sink fits the HP ProBook 650 G4? OEM part numbers

3 heat sinks are documented for the HP ProBook 650 G4: L09585-001, L09586-001, L23120-001. 3 of 3 come from OEM documentation (partsurfer.hp.com, kaas.hpcloud.hp.com); last checked 2026-11-12. Not bench-tested: match the number on your old heat sink and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
L09585-001	HP heat sink L09585-001	Listed for 2 of 8 checked HP ProBook 650 G4 product numbers (4HH05US, 4SU83US), so it is configuration-specific. HP description: "SPS-HEATSINK DSC 15". Confirm your product number on HP PartSurfer before ordering. OEM parts list only; not bench-tested.	OEM documented	2026-10-23
L09586-001	HP heat sink L09586-001	Listed for 6 of 8 checked HP ProBook 650 G4 product numbers (4SB00US, 4SA65US, 4SB05US, 4SA75US, 4LU96US, 4HJ04US), so it is configuration-specific. HP description: "SPS-HEATSINK UMA 15". Confirm your product number on HP PartSurfer before ordering. OEM parts list only; not bench-tested.	OEM documented	2026-10-23
L23120-001	HP Heat Sink L23120-001	OEM documentation only; not bench-tested.	OEM documented	2026-11-12

Where do these HP ProBook 650 G4 heat sink part numbers come from?

3 of 3 fits are from OEM documentation (partsurfer.hp.com, kaas.hpcloud.hp.com); each row links its source. Last checked 2026-11-12.

Are these heat sinks tested in the HP ProBook 650 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 ProBook 650 G4.

Other parts for the HP ProBook 650 G4

Power Adapter (6) · Battery (1) · RTC Battery (2) · Cosmetic Plate (3) · Fingerprint Reader (2) · Screen (5) · Display Back Cover (2) · Bottom Cover (1) · Display Bezel (2) · Display Cable (2) · Fan (1) · Hinge (2) · Keyboard (6) · Speakers (1) · Palmrest (2) · Touchpad (5) · Camera (1) · Wireless Card (9) · Card Reader (1) · Microphone (1) · I/O Board (3) · SSD (9) · Power Cord (1) · Cable (1) · Service Part (7) · Memory (3) · Motherboard (11) · Antenna (1) · Hard Drive (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-probook-650-g4) or the keyless JSON API.