Which hinge fits the HP ProBook 640 G4? OEM part numbers

2 hinges are documented for the HP ProBook 640 G4: L09544-001, L23433-001. 2 of 2 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 hinge and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
L09544-001	HP hinge part L09544-001	Listed for 7 of 8 checked HP ProBook 640 G4 product numbers (4FY94US, 4LK98US, 4RH61US, 4FT98US, 4PA87US, 5XC03US, 5LH83US), so it is configuration-specific. HP description: "SPS-HINGE KIT 14 - NON TS". Confirm your product number on HP PartSurfer before ordering. OEM parts list only; not bench-tested.	OEM documented	2026-10-23
L23433-001	HP Hinge L23433-001	OEM documentation only; not bench-tested.	OEM documented	2026-11-12

Where do these HP ProBook 640 G4 hinge part numbers come from?

2 of 2 fits are from OEM documentation (partsurfer.hp.com, kaas.hpcloud.hp.com); each row links its source. Last checked 2026-11-12.

Are these hinges tested in the HP ProBook 640 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 640 G4.

Other parts for the HP ProBook 640 G4

Power Adapter (5) · Battery (1) · RTC Battery (2) · Display Bezel (2) · Cosmetic Plate (3) · Fingerprint Reader (2) · Display Cable (3) · Palmrest (2) · Screen (6) · Display Back Cover (2) · Bottom Cover (2) · Fan (1) · Heat Sink (2) · Keyboard (7) · Speakers (1) · Touchpad (4) · Camera (1) · Wireless Card (7) · Card Reader (1) · Microphone (1) · I/O Board (1) · SSD (8) · Power Cord (35) · Cable (1) · Power Button (1) · Motherboard (10) · Service Part (4) · Memory (3) · Antenna (1) · Hard Drive (5) · 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-640-g4) or the keyless JSON API.