Which laptops does 821186-001 fit? 821186-001 (HP service part) is documented to fit 8 laptop models, including HP EliteBook 850 G3, HP ZBook 15u G3 and HP EliteBook 850 G4 and 5 more. Fits come from OEM documentation (HP service guide), last checked 2026-11-12; not bench-tested. Full compatibility list.
HP spare part description: "Internal base plate, 15-inch computers". 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 EliteBook 850 G3 All service part for this model | HP | 2026-11-04 | OEM documented |
| HP ZBook 15u G3 All service part for this model | HP | 2026-11-04 | OEM documented |
| HP EliteBook 850 G4 All service part for this model | HP | 2026-11-04 | OEM documented |
| HP ZBook 15u G4 All service part for this model | HP | 2026-11-04 | OEM documented |
| HP EliteBook 755 G3 All service part for this model | HP | 2026-11-10 | OEM documented |
| HP EliteBook 848 G3 All service part for this model | HP | 2026-11-12 | OEM documented |
| HP EliteBook 840 G3 All service part for this model | HP | 2026-11-12 | OEM documented |
| HP EliteBook 745 G3 All service part for this model | HP | 2026-11-12 | OEM documented |
HP description: "Internal base plate, 15-inch computers". OEM documentation only; not bench-tested.
HP Maintenance and Service Guide, PDF pages 34, 66: "821186-001" (Internal base plate, 15-inch computers). (via MG fold)
HP description: "Internal base plate, 15-inch computers". OEM documentation only; not bench-tested.
HP Maintenance and Service Guide, PDF pages 34, 66: "821186-001" (Internal base plate, 15-inch computers). (via MG fold)
HP description: "Internal base plate". OEM documentation only; not bench-tested.
HP Maintenance and Service Guide, PDF pages 33, 65: "821186-001" (Internal base plate). (via MG fold)
HP description: "Internal base plate". OEM documentation only; not bench-tested.
HP Maintenance and Service Guide, PDF pages 33, 65: "821186-001" (Internal base plate). (via MG fold)
HP spare part: Internal base plate for 15-inch models. OEM documentation only; not bench-tested.
HP 755 G3, HP 745 G3 Maintenance and Service Guide c04853478, printed page 23: "Internal base plate for 15” computers 821186-001". (via SOLO-18 fold 2026-11-10)
HP spare part: Internal base plate for 15” computers. OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c04887250, PDF page 34: "plate for 15” computers 821186-001". The fetched guide names this part for this model. (via v10 fold 2026-11-12)
HP spare part: Internal base plate for 15” computers. OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c04887250, PDF page 34: "plate for 15” computers 821186-001". The fetched guide names this part for this model. (via v10 fold 2026-11-12)
HP spare part: Internal base plate for 15” computers. OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c04853478, PDF page 33: "plate for 15” computers 821186-001". 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 EliteBook 850 G3 | HP | Business laptop |
| HP ZBook 15u G3 | HP | Business laptop |
| HP EliteBook 850 G4 | HP | Business laptop |
| HP ZBook 15u G4 | HP | Business laptop |
| HP EliteBook 755 G3 | HP | Business laptop |
| HP EliteBook 848 G3 | HP | Business laptop |
| HP EliteBook 840 G3 | HP | Business laptop |
| HP EliteBook 745 G3 | 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
821186-001