Which laptops does N45998-001 fit? N45998-001 (HP service part) is documented to fit 3 laptop models: HP EliteBook 640 G11, HP ProBook 440 G11 and HP EliteBook 645 G11. Fits come from OEM documentation (HP service guide), last checked 2026-11-12; not bench-tested. Full compatibility list.
HP spare part: Backwire 3325 headset. 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 640 G11 All service part for this model | HP | 2026-11-10 | OEM documented |
| HP ProBook 440 G11 All service part for this model | HP | 2026-11-12 | OEM documented |
| HP EliteBook 645 G11 All service part for this model | HP | 2026-11-12 | OEM documented |
HP spare part: Backwire 3325 headset. OEM documentation only; not bench-tested.
HP EliteBook 640 14 inch G11 Maintenance and Service Guide pdf_10342196, printed page 38: "Backwire 3325 Headset N45998-001". Text re-extracted from the PDF. (via SOLO-18 fold 2026-11-10)
HP spare part: Backwire 3325 Headset. OEM documentation only; not bench-tested.
HP Maintenance and Service Guide pdf_10338598, PDF page 30: "Backwire 3325 Headset N45998-001". The fetched guide names this part for this model. (via v10 fold 2026-11-12)
HP spare part: Headset, Blackwire 3325. OEM documentation only; not bench-tested.
HP Maintenance and Service Guide pdf_10342159, PDF page 45: "Blackwire 3325 N45998-001". 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 640 G11 | HP | Business laptop |
| HP ProBook 440 G11 | HP | Business laptop |
| HP EliteBook 645 G11 | HP | Business laptop |
Repair guides for the HP EliteBook 640 G11: 22 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
N45998-001