Which laptops does 821155-001 fit? 821155-001 (HP palmrest) is documented to fit 6 laptop models, including HP ZBook 15u G3, HP ZBook 15u G4 and HP EliteBook 850 G3 and 3 more. 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 for ZBook 15u". 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 ZBook 15u G3 All palmrest for this model | HP | 2026-11-04 | OEM documented |
| HP ZBook 15u G4 All palmrest for this model | HP | 2026-11-04 | OEM documented |
| HP EliteBook 850 G3 All palmrest for this model | HP | 2026-11-12 | OEM documented |
| HP EliteBook 848 G3 All palmrest for this model | HP | 2026-11-12 | OEM documented |
| HP EliteBook 840 G3 All palmrest for this model | HP | 2026-11-12 | OEM documented |
| HP EliteBook 850 G4 All palmrest for this model | HP | 2026-11-12 | OEM documented |
HP description: "Top cover for ZBook 15u". OEM documentation only; not bench-tested.
HP Maintenance and Service Guide, PDF pages 33, 91: "821155-001" (Top cover for ZBook 15u). (via MG fold)
HP description: "Top cover". OEM documentation only; not bench-tested.
HP Maintenance and Service Guide, PDF pages 31, 91: "821155-001" (Top cover). (via MG fold)
HP spare part: Top cover for HP ZBook 15u. OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c04887250, PDF page 33: "for HP ZBook 15u 821155-001". The fetched guide names this part for this model. (via v10 fold 2026-11-12)
HP spare part: Top cover for HP ZBook 15u. OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c04887250, PDF page 33: "for HP ZBook 15u 821155-001". The fetched guide names this part for this model. (via v10 fold 2026-11-12)
HP spare part: Top cover for HP ZBook 15u. OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c04887250, PDF page 33: "for HP ZBook 15u 821155-001". The fetched guide names this part for this model. (via v10 fold 2026-11-12)
HP spare part: HP ZBook 15u G4 Mobile Workstation models. OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c05357619, PDF page 31: "G4 Mobile Workstation models 821155-001". 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 ZBook 15u G3 | HP | Business laptop |
| HP ZBook 15u G4 | HP | Business laptop |
| HP EliteBook 850 G3 | HP | Business laptop |
| HP EliteBook 848 G3 | HP | Business laptop |
| HP EliteBook 840 G3 | HP | Business laptop |
| HP EliteBook 850 G4 | HP | Business laptop |
Repair guides for the HP EliteBook 850 G4: 21 guides
Fit check: Always confirm the OEM part/FRU number on your machine's label or in the service manual before buying. HP service guide
821155-001