Motherboard HP OEM Mostly documented (90–99%)
L19421-001

HP RJ-45 board with bracket L19421-001

Which laptops does L19421-001 fit? L19421-001 (HP motherboard) is documented to fit 2 laptop models: HP ZBook 15u G5 and HP ZBook 15u G6. Fits come from OEM documentation (HP service guide), last checked 2026-11-12; not bench-tested. Full compatibility list.

HP spare part: RJ-45 board with bracket. Documented OEM replacement; see each fit for configuration limits.

Compatible Business Laptop Models (2)

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.

Fit note for all 2 models: HP spare part: RJ-45 board with bracket. OEM documentation only; not bench-tested.

Installation: Not verified

Fits these models

ModelBrandLast checkedConfidence
HP ZBook 15u G5 All motherboard for this modelHP2026-11-12Mostly documented (90–99%)
HP ZBook 15u G6 All motherboard for this modelHP2026-11-12Mostly documented (90–99%)

Fits these models

Summary of the documented fits above (sources on each model card); not bench-tested.

ModelBrandType
HP ZBook 15u G5HPBusiness laptop
HP ZBook 15u G6HPBusiness laptop

Which motherboard fits each model?

How to replace it

Fit check: Always confirm the OEM part/FRU number on your machine's label or in the service manual before buying. HP document (file not verified)

Key facts

Part number
L19421-001
Type
Motherboard
Brand
HP
Fits
2 catalog models
Evidence
Mostly documented (90-99%): 2
Source
kaas.hpcloud.hp.com
Last checked
2026-11-12
Tested
Not bench-tested; documentation only
Machine-readable
JSON, Markdown

Related

Other parts for the HP ZBook 15u G5

Other motherboard parts documented for the same models