HP Business Laptop

HP EliteBook 820 G4

Spare part numbers for the HP EliteBook 820 G4 come from HP's official Maintenance and Service Guide (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide). US keyboard layouts only. Parts vary by configuration, so match your original part number before ordering. Not bench-tested.

Compatible Replacement Parts (23)

Compatibility from OEM documentation, not bench-tested.

Keyboard

HP US backlit keyboard

OEM Part Number: 826630-001

HP US backlit keyboard. Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

United States layout; backlit. Pointing stick covers are a separate Rubber Kit. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p27, Computer major components table item 2: "Keyboard - Backlit (826630-xx1; -001 = United States)".) Last checked 2026-10-27
Keyboard

HP US non-backlit keyboard

OEM Part Number: 826631-001

HP US non-backlit keyboard. Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

United States layout; no backlight. Pointing stick covers are a separate Rubber Kit. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p27, Computer major components table item 2: "Keyboard - No backlight (826631-xx1; -001 = United States)".) Last checked 2026-10-27
Palmrest

HP top cover

OEM Part Number: 821692-001

HP top cover. Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p27, Computer major components table item 3: "Top cover".) Last checked 2026-10-27
Battery

HP 3-cell battery

OEM Part Number: 854109-850

HP 3-cell battery. Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p27, Computer major components table item 4: "Battery - 3 cell, 49 KWh, 4.25 Ah (as printed in the HP guide)".) Last checked 2026-10-27
Touchpad

HP touchpad board

OEM Part Number: 821668-001

HP touchpad board. Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p28, Computer major components table item 10: "Touchpad - Touchpad board".) Last checked 2026-10-27
Touchpad

HP touchpad board with NFC antenna

OEM Part Number: 821667-001

HP touchpad board with NFC antenna. Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

Models with NFC. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p28, Computer major components table item 10: "Touchpad - Touchpad board with NFC antenna".) Last checked 2026-10-27
Fingerprint Reader

HP fingerprint reader board (with cable)

OEM Part Number: 821693-001

HP fingerprint reader board (with cable). Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

Models with a fingerprint reader. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p28, Computer major components table item 12: "Fingerprint reader board (includes cable)".) Last checked 2026-10-27
Heat Sink

HP heat sink/fan assembly

OEM Part Number: 821691-001

HP heat sink/fan assembly. Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

HP spares the heat sink and fan as one assembly. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p28, Computer major components table item 13: "Heat sink/fan assembly".) Last checked 2026-10-27
RTC Battery

HP RTC battery

OEM Part Number: 702853-001

HP RTC battery. Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p28, Computer major components table item 15: "RTC battery".) Last checked 2026-10-27
Speakers

HP speaker assembly (with cable)

OEM Part Number: 821684-001

HP speaker assembly (with cable). Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p28, Computer major components table item 16: "Speaker assembly (includes cable)".) Last checked 2026-10-27
Bottom Cover

HP bottom cover

OEM Part Number: 821662-001

HP bottom cover. Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p28, Computer major components table item 17: "Bottom cover".) Last checked 2026-10-27
Screen

HP touch display assembly

OEM Part Number: 920050-001

HP touch display assembly. Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

Touch models only; touch display assemblies are spared only as whole units. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p27, Computer major components table item 1: "Display assembly, touch".) Last checked 2026-10-27
Display Bezel

HP display bezel

OEM Part Number: 821658-001

HP display bezel. Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p29, Display assembly subcomponents table item 1: "Bezel".) Last checked 2026-10-27
Camera

HP webcam 800575-020

OEM Part Number: 800575-020

HP spare part description: "Webcam module - 1p DM U2 Mjpeg 720p CTS - Includes dual-array microphone".

Fit & Installation Notes:

OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p29, Display assembly subcomponents table item 2: "Webcam module (includes microphone and cable)".) Last checked 2026-10-27
Screen

HP HD raw display panel

OEM Part Number: 804085-004

HP HD raw display panel. Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

HD non-touch panel. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p29, Display assembly subcomponents table item 3: "Raw panel - HD".) Last checked 2026-10-27
Screen

HP FHD raw display panel

OEM Part Number: 832199-006

HP FHD raw display panel. Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

FHD non-touch panel. OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p29, Display assembly subcomponents table item 3: "Raw panel - FHD".) Last checked 2026-10-27
Hinge

HP hinges

OEM Part Number: 821674-001

HP hinges. Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p29, Display assembly subcomponents table item 6: "Hinges".) Last checked 2026-10-27
Display Back Cover

HP display enclosure (with antennas)

OEM Part Number: 862350-001

HP display enclosure (with antennas). Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p29, Display assembly subcomponents table item 9: "Display enclosure (includes antennas)".) Last checked 2026-10-27
Power Adapter

HP 65W 4.5 mm barrel AC adapter 714635-850

OEM Part Number: 714635-850

HP spare part description: "Smart EM AC adapter (65W) - 4.5mm barrel connector, non-power factor correcting (NFPC) - Requires separate 3-wire AC power cord with C5 connector".

Fit & Installation Notes:

OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p33, Miscellaneous parts (AC adapter): "AC adapter: 65 W Smart Adapter, non-PFC, EM".) Last checked 2026-10-27
Power Adapter

HP 65W AC adapter 693711-001

OEM Part Number: 693711-001

HP spare part description: "Smart slim AC power adapter (65 watt) - Non-power factor correcting (NPFC) - Requires separate 3-wire AC power cord". HP PartSurfer notes this part is no longer supplied and lists replacement L40094-001.

Fit & Installation Notes:

OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p33, Miscellaneous parts (AC adapter): "AC adapter: 65 W Smart Adapter non-PFC".) Last checked 2026-10-27
Power Adapter

HP 710412-001 Power Adapter

OEM Part Number: 710412-001

65 W HP Smart AC adapter, non-PFC, 3-prong AC input; 4.5 mm barrel output

Fit & Installation Notes:

OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p33, Miscellaneous parts (AC adapter): "AC adapter: 65 W Adapter non-PFC S-3P".) Last checked 2026-10-27
Power Adapter

HP 741727-001 Power Adapter

OEM Part Number: 741727-001

45 W HP Smart AC adapter, non-PFC; 4.5 mm barrel output

Fit & Installation Notes:

OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p33, Miscellaneous parts (AC adapter): "AC adapter: 45 W Smart Adapter non-PFC nSlim".) Last checked 2026-10-27
Power Adapter

HP 742436-001 Power Adapter

OEM Part Number: 742436-001

45 W HP Smart AC adapter, 2-prong AC input; 4.5 mm barrel output

Fit & Installation Notes:

OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://h10032.www1.hp.com/ctg/Manual/c05357611.pdf ↗ (HP EliteBook 820 G4 Notebook PC Maintenance and Service Guide, PDF p33, Miscellaneous parts (AC adapter): "AC adapter: 45 W Smart Adapter non-PFC 2-prong".) Last checked 2026-10-27
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