Which service part fits the HP EliteBook 840 G1? OEM part numbers

14 service parts are documented for the HP EliteBook 840 G1: 434594-001, 674318-001, 679921-001, 704030-001, 704031-001 and 9 more. 14 of 14 come from OEM documentation (h10032.www1.hp.com); last checked 2026-11-04. Not bench-tested: match the number on your old service part and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
434594-001	HP Mouse USB, optical, travel 434594-001	HP description: "Mouse USB, optical, travel". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
674318-001	HP HP USB Laser Mouse 674318-001	HP description: "Mouse USB, laser". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
679921-001	HP HP Essential Top Load Case 679921-001	HP description: "Cases Top load case". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
704030-001	HP HP lt4111 LTE/EV-DO/HSPA+ broadband module 704030-001	HP description: "WWAN module HP lt4111 LTE/EV-DO/HSPA+ Mobile Broadband Module". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
704031-001	HP HP lt4112 LTE/HSPA+ broadband module 704031-001	HP description: "WWAN module HP lt4112 LTE/HSPA+ Gobi 4G Module". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
705621-001	HP Cases Professional top load case 705621-001	HP description: "Cases Professional top load case". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
718549-001	HP Cases HP Business Slim Top Load Case 718549-001	HP description: "Cases HP Business Slim Top Load Case". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
718550-001	HP HP Business Top Load Case 718550-001	HP description: "Cases HP Business Top Load Case". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
723895-001	HP HP hs3110 HSPA+ broadband module 723895-001	HP description: "WWAN module HP hs3110 HSPA+ Mobile Broadband Module". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
730958-001	HP Plastics kit 730958-001	HP description: "Plastics kit, 740/840 models only with card insert, RJ-45 door, fingerprint insert and spring". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
734761-003	HP Part number of this maintenance and service guide 734761-003	HP description: "Part number of this maintenance and service guide". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
773555-001	HP 500 GB 5400 rpm 7-mm locked SGT drive for 740/840 and ZBook 773555-001	HP description: "500 GB 5400 rpm 7-mm locked SGT drive for 740/840 and ZBook 14 models". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
776626-001	HP 500 GB 5400 rpm 7-mm locked SGT drive for 740/840 and ZBook 776626-001	HP description: "500 GB 5400 rpm 7-mm locked SGT drive for 740/840 and ZBook 14 models". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
789520-001	HP 320 GB 5400 rpm 7-mm WD locked drive for 740/840 and ZBook 1 789520-001	HP description: "320 GB 5400 rpm 7-mm WD locked drive for 740/840 and ZBook 14 models". OEM documentation only; not bench-tested.	OEM documented	2026-11-04

Where do these HP EliteBook 840 G1 service part part numbers come from?

14 of 14 fits are from OEM documentation (h10032.www1.hp.com); each row links its source. Last checked 2026-11-04.

Are these service parts tested in the HP EliteBook 840 G1?

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 840 G1.

Other parts for the HP EliteBook 840 G1

Power Adapter (5) · Battery (3) · Bottom Cover (4) · Screen (8) · Fan (1) · Heat Sink (2) · Keyboard (68) · RTC Battery (1) · Touchpad (4) · Card Reader (1) · Speakers (1) · Fingerprint Reader (1) · Display Bezel (4) · Camera (1) · Microphone (1) · Display Cable (2) · Power Cord (36) · Memory (2) · I/O Board (1) · Motherboard (120) · Hard Drive (13) · Wireless Card (7) · SSD (15) · Screw Kit (2) · Hinge (2) · Cable (3)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-elitebook-840-g1) or the keyless JSON API.