Which service part fits the HP ProBook 450 G4? OEM part numbers

12 service parts are documented for the HP ProBook 450 G4: 674318-001, 679921-001, 679922-001, 679923-001, 690650-001 and 7 more. 12 of 12 come from OEM documentation (h10032.www1.hp.com); last checked 2026-11-12. Not bench-tested: match the number on your old service part and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
674318-001	HP HP USB Laser Mouse 674318-001	Listed for this model in HP's Maintenance and Service Guide (see source page). OEM documentation only; not bench-tested.	OEM documented	2026-11-09
679921-001	HP HP Essential Top Load Case 679921-001	Listed for this model in HP's Maintenance and Service Guide (see source page). OEM documentation only; not bench-tested.	OEM documented	2026-11-09
679922-001	HP Messenger bag 679922-001	Listed for this model in HP's Maintenance and Service Guide (see source page). OEM documentation only; not bench-tested.	OEM documented	2026-11-09
679923-001	HP HP Essential backpack carrying case. 679923-001	Listed for this model in HP's Maintenance and Service Guide (see source page). OEM documentation only; not bench-tested.	OEM documented	2026-11-09
690650-001	HP USB 3.0 port replicator docking station 690650-001	Listed for this model in HP's Maintenance and Service Guide (see source page). OEM documentation only; not bench-tested.	OEM documented	2026-11-09
757770-001	HP HP USB Travel Mouse 757770-001	Listed for this model in HP's Maintenance and Service Guide (see source page). OEM documentation only; not bench-tested.	OEM documented	2026-11-09
907605-001	HP Optical drive, DVD-ROM (ProBook 455 G4) 907605-001	HP spare part: DVD-ROM Drive. OEM documentation only; not bench-tested.	OEM documented	2026-11-12
907606-001	HP Optical drive, DVD+/-RW Double-Layer SuperMulti (ProBook 455 G4) 907606-001	HP spare part: DVD+/-RW Double-Layer SuperMulti Drive. OEM documentation only; not bench-tested.	OEM documented	2026-11-12
907719-001	HP Optical drive, Blu-ray R/RW with SuperMulti (ProBook 450 G4) 907719-001	HP lists this part as: Optical drive, Blu-ray R/RW with SuperMulti (ProBook 450 G4). OEM documentation only; not bench-tested.	OEM documented	2026-11-09
907720-001	HP Optical drive, DVD-ROM (ProBook 450 G4) 907720-001	HP lists this part as: Optical drive, DVD-ROM (ProBook 450 G4). OEM documentation only; not bench-tested.	OEM documented	2026-11-09
907721-001	HP Optical drive, DVD+/-RW Double-Layer SuperMulti (ProBook 450 G4) 907721-001	HP lists this part as: Optical drive, DVD+/-RW Double-Layer SuperMulti (ProBook 450 G4). OEM documentation only; not bench-tested.	OEM documented	2026-11-09
914604-001	HP Conductive fabric for the power connector cable 914604-001	HP lists this part as: Conductive fabric for the power connector cable. OEM documentation only; not bench-tested.	OEM documented	2026-11-09

Where do these HP ProBook 450 G4 service part part numbers come from?

12 of 12 fits are from OEM documentation (h10032.www1.hp.com); each row links its source. Last checked 2026-11-12.

Are these service parts tested in the HP ProBook 450 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 450 G4.

Other parts for the HP ProBook 450 G4

Screen (6) · Keyboard (2) · I/O Board (3) · Palmrest (1) · Fingerprint Reader (1) · Speakers (1) · Battery (1) · Fan (1) · Cable (7) · Heat Sink (2) · Bottom Cover (2) · Wireless Card (5) · Display Bezel (4) · Camera (1) · Display Cable (2) · Hinge (1) · Display Back Cover (2) · Power Adapter (8) · Power Cord (29) · Memory (2) · SSD (3) · Hard Drive (7) · Microphone (1) · Hinge Cover (1)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-probook-450-g4) or the keyless JSON API.