Which laptops does 845172-001 fit? 845172-001 (HP touchpad) is documented to fit 4 laptop models: HP ProBook 650 G2, HP ProBook 655 G2, HP ProBook 640 G2 and HP ProBook 645 G2. Fits come from OEM documentation (HP service guide), last checked 2026-11-12; not bench-tested. Full compatibility list.
HP spare part description: "Top cover, 15 inch, TouchPad, pointing stick, on/off button, bracket". Documented OEM replacement; see each fit for configuration limits.
Devices documented to accept this OEM component. Compatibility from OEM documentation or a labelled source, with a confidence level on each fit; not bench-tested.
| Model | Brand | Last checked | Confidence |
|---|---|---|---|
| HP ProBook 650 G2 All touchpad for this model | HP | 2026-11-04 | OEM documented |
| HP ProBook 655 G2 All touchpad for this model | HP | 2026-11-04 | OEM documented |
| HP ProBook 640 G2 All touchpad for this model | HP | 2026-11-12 | OEM documented |
| HP ProBook 645 G2 All touchpad for this model | HP | 2026-11-12 | OEM documented |
HP description: "Top cover, 15 inch, TouchPad, pointing stick, on/off button, bracket". OEM documentation only; not bench-tested.
HP Maintenance and Service Guide, PDF pages 33, 75: "845172-001" (Top cover, 15 inch, TouchPad, pointing stick, on/off button, bracket). (via MG fold)
HP description: "Top cover, 15 inch, TouchPad, pointing stick, on/off button, bracket". OEM documentation only; not bench-tested.
HP Maintenance and Service Guide, PDF pages 33, 75: "845172-001" (Top cover, 15 inch, TouchPad, pointing stick, on/off button, bracket). (via MG fold)
OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c04919621, PDF page 33: "845172-001". The fetched guide names this part for this model. (via v10 fold 2026-11-12)
OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c04919621, PDF page 33: "845172-001". The fetched guide names this part for this model. (via v10 fold 2026-11-12)
Summary of the documented fits above (sources on each model card); not bench-tested.
| Model | Brand | Type |
|---|---|---|
| HP ProBook 650 G2 | HP | Business laptop |
| HP ProBook 655 G2 | HP | Business laptop |
| HP ProBook 640 G2 | HP | Business laptop |
| HP ProBook 645 G2 | HP | Business laptop |
Fit check: Always confirm the OEM part/FRU number on your machine's label or in the service manual before buying. HP service guide
845172-001