Which bottom cover fits the HP ProBook 645 G2? OEM part numbers

4 bottom covers are documented for the HP ProBook 645 G2: 840657-001, 840725-001, 845169-001, 845171-001. 4 of 4 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
840657-001	HP bottom cover 840657-001	HP description: "Base enclosure for 14 inch models". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
840725-001	HP bottom cover 840725-001	HP spare part: Base enclosure, For 15" products. OEM documentation only; not bench-tested.	OEM documented	2026-11-12
845169-001	HP Service door for 14 inch models 845169-001	HP description: "Service door for 14 inch models". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
845171-001	HP Service door for 15 inch models 845171-001	HP spare part: Service door, For 15" products. OEM documentation only; not bench-tested.	OEM documented	2026-11-12

Where do these HP ProBook 645 G2 bottom cover part numbers come from?

4 of 4 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 ProBook 645 G2?

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 645 G2.

Other parts for the HP ProBook 645 G2

Service Part (20) · Hinge Cover (5) · Keyboard (6) · Touchpad (8) · Card Reader (1) · RTC Battery (1) · Fan (5) · Motherboard (33) · Fingerprint Reader (3) · Speakers (1) · I/O Board (1) · Memory (5) · Wireless Card (1) · Battery (1) · Display Bezel (4) · Screen (8) · Cable (4) · Display Cable (4) · Display Back Cover (4) · SSD (30) · Hard Drive (6) · Power Adapter (5) · Antenna (2) · Screw Kit (2) · Hinge (3) · Camera (1) · Microphone (1)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-probook-645-g2) or the keyless JSON API.