Which bottom cover fits the HP EliteBook 850 G4? OEM part numbers

2 bottom covers are documented for the HP EliteBook 850 G4: 821150-001, 821181-001. 2 of 2 come from OEM documentation (h10032.www1.hp.com); last checked 2026-11-12. Not bench-tested: match the number on your old bottom cover and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
821150-001	HP Bottom cover, mobile workstation 821150-001	HP spare part: HP ZBook 15u G4 Mobile Workstation models. OEM documentation only; not bench-tested.	OEM documented	2026-11-12
821181-001	HP bottom cover (15")	OEM documentation only; not bench-tested.	OEM documented	2026-10-27

Where do these HP EliteBook 850 G4 bottom cover part numbers come from?

2 of 2 fits are from OEM documentation (h10032.www1.hp.com); each row links its source. Last checked 2026-11-12.

Are these bottom covers tested in the HP EliteBook 850 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 EliteBook 850 G4.

Other parts for the HP EliteBook 850 G4

Keyboard (6) · Palmrest (2) · I/O Board (2) · Touchpad (4) · Speakers (1) · Fingerprint Reader (1) · Heat Sink (2) · RTC Battery (1) · Battery (1) · Screen (8) · Display Bezel (1) · Hinge (1) · Camera (1) · Display Cable (1) · Display Back Cover (4) · Power Adapter (8) · Wireless Card (6) · SSD (15) · Power Cord (48) · Card Reader (1) · Microphone (1) · Hard Drive (6) · Service Part (5) · Motherboard (10) · Memory (3) · Bracket (1) · Cable (1) · Screw Kit (1)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-elitebook-850-g4) or the keyless JSON API.