Which touchpad fits the HP EliteBook 745 G3? OEM part numbers

4 touchpads are documented for the HP EliteBook 745 G3: 821171-001, 821172-001, 836620-001, 837851-001. 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 touchpad and any constraint before ordering.

Part numberPartConstraintsConfidenceLast checked
821171-001HP touchpad 821171-001HP lists this spare part number for the HP EliteBook 745 G3 in its Maintenance and Service Guide (printed p.22).OEM documented2026-11-01
821172-001HP touchpad 821172-001HP lists this spare part number for the HP EliteBook 745 G3 in its Maintenance and Service Guide (printed p.22).OEM documented2026-11-01
836620-001HP touchpad button board (EliteBook 850)HP spare part: Touchpad button board for HP 755. OEM documentation only; not bench-tested.OEM documented2026-11-12
837851-001HP touchpad (EliteBook 850 G4), with NFC antennaHP spare part: Touchpad button board w/NFC antenna for HP 755. OEM documentation only; not bench-tested.OEM documented2026-11-12

Where do these HP EliteBook 745 G3 touchpad 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 touchpads tested in the HP EliteBook 745 G3?

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.

How to replace it

Steps paraphrased from the manufacturer service manual, with page citations. Not bench-tested.

All documented parts for the HP EliteBook 745 G3.

Other parts for the HP EliteBook 745 G3

Battery (1) · Power Adapter (3) · Keyboard (2) · Heat Sink (3) · Bottom Cover (2) · Screen (7) · SSD (8) · Memory (2) · Hinge (2) · Display Cable (3) · Palmrest (2) · I/O Board (3) · Display Back Cover (2) · Power Cord (36) · Cable (1) · Service Part (15) · Screw Kit (1) · Hard Drive (6) · Motherboard (1) · Wireless Card (2) · Microphone (1) · Display Bezel (2) · Fingerprint Reader (1) · Speakers (1) · Camera (1) · RTC Battery (1)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-elitebook-745-g3) or the keyless JSON API.

Key facts

Model
HP EliteBook 745 G3
Part type
Touchpad
Documented parts
4
OEM-documented fits
4 of 4
Source sites
h10032.www1.hp.com
Last checked
2026-11-12
Tested
Not bench-tested; documentation only