HP Business Laptop

HP ProBook 455 G4

Spare part numbers for the HP ProBook 455 G4 come from HP's official Maintenance and Service Guide. US keyboard layouts only. Parts vary by configuration, so match your original part number before ordering. Not bench-tested.

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Compatible Replacement Parts (13)

Compatibility from OEM documentation, not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement

HP 851610-855 Battery

Battery OEM Part Number: 851610-855
Part Specs →

4-cell lithium-ion battery, 48 Wh, 4.21 Ah (RR03048XL-PR)

Fit & Installation Notes:

HP guide description: "Battery, Li-ion (4-cell, 48 WHr, 4.21 Ah)". OEM documentation only; not bench-tested.

Evidence Source:HP service guide
Source notes

HP ProBook 450 G4 Notebook PC / HP ProBook 455 G4 Notebook PC Maintenance and Service Guide, printed p17 (PDF p27): "(8) Battery, Li-ion (4-cell, 48 WHr, 4.21 Ah) 851610-855".

Last checked 2026-10-27

HP fan

Fan OEM Part Number: 905774-001
Part Specs →

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

Fit & Installation Notes:

HP guide description: "Fan". OEM documentation only; not bench-tested.

Evidence Source:HP service guide
Source notes

HP ProBook 450 G4 Notebook PC / HP ProBook 455 G4 Notebook PC Maintenance and Service Guide, printed p17 (PDF p27): "(9) Fan 905774-001".

Last checked 2026-10-27

HP base enclosure

Bottom Cover OEM Part Number: 905764-001
Part Specs →

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

Fit & Installation Notes:

HP guide description: "Base enclosure". OEM documentation only; not bench-tested.

Evidence Source:HP service guide
Source notes

HP ProBook 450 G4 Notebook PC / HP ProBook 455 G4 Notebook PC Maintenance and Service Guide, printed p18 (PDF p28): "(16) Base enclosure 905764-001".

Last checked 2026-10-27

HP 710412-001 Power Adapter

Power Adapter OEM Part Number: 710412-001
Part Specs →

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

Fit & Installation Notes:

Adapter option; match wattage, connector and your original adapter. HP guide description: "65-W Smart AC power adapter, 4.5 mm barrel connector, 3 prong". OEM documentation only; not bench-tested.

Evidence Source:HP service guide
Source notes

HP ProBook 450 G4 Notebook PC / HP ProBook 455 G4 Notebook PC Maintenance and Service Guide, printed p25 (PDF p35): "65-W Smart AC power adapter, 4.5 mm barrel connector, 3 prong 710412-001".

Last checked 2026-10-27

HP 65W 4.5 mm barrel AC adapter 714635-850

Power Adapter OEM Part Number: 714635-850
Part Specs →

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:

Adapter option; match wattage, connector and your original adapter. Regional variant (see HP description). HP guide description: "65-W Smart AC power adapter, 4.5 mm barrel connector (for use only in Asia, the People’s Republic of China, and India)". OEM documentation only; not bench-tested.

Evidence Source:HP service guide
Source notes

HP ProBook 450 G4 Notebook PC / HP ProBook 455 G4 Notebook PC Maintenance and Service Guide, printed p25 (PDF p35): "714635-850".

Last checked 2026-10-27

HP AC adapter 714657-001

Power Adapter OEM Part Number: 714657-001
Part Specs →

HP spare part description: "65-W Smart AC power adapter, 4.5 mm barrel connector (for use only in Asia, the People’s Republic of China, and India)".

Fit & Installation Notes:

Adapter option; match wattage, connector and your original adapter. Regional variant (see HP description). HP guide description: "65-W Smart AC power adapter, 4.5 mm barrel connector, 3 prong, NPFC (for use only in Asia, the People’s Republic of China, and India) for use only HP ProBook 455 G4 models". OEM documentation only; not bench-tested.

Evidence Source:HP service guide
Source notes

HP ProBook 450 G4 Notebook PC / HP ProBook 455 G4 Notebook PC Maintenance and Service Guide, printed p25 (PDF p35): "714657-001".

Last checked 2026-10-27

HP 65W AC adapter 693711-001

Power Adapter OEM Part Number: 693711-001
Part Specs →

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:

Adapter option; match wattage, connector and your original adapter. HP guide description: "65-W Smart AC power adapter, 4.5 mm barrel connector, NPFC". OEM documentation only; not bench-tested.

Evidence Source:HP service guide
Source notes

HP ProBook 450 G4 Notebook PC / HP ProBook 455 G4 Notebook PC Maintenance and Service Guide, printed p25 (PDF p35): "65-W Smart AC power adapter, 4.5 mm barrel connector, NPFC 693711-001".

Last checked 2026-10-27

HP 741727-001 Power Adapter

Power Adapter OEM Part Number: 741727-001
Part Specs →

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

Fit & Installation Notes:

Adapter option; match wattage, connector and your original adapter. HP guide description: "45-W Smart AC power adapter, 4.5 mm barrel connector, 3 prong, NPFC". OEM documentation only; not bench-tested.

Evidence Source:HP service guide
Source notes

HP ProBook 450 G4 Notebook PC / HP ProBook 455 G4 Notebook PC Maintenance and Service Guide, printed p25 (PDF p35): "45-W Smart AC power adapter, 4.5 mm barrel connector, 3 prong, NPFC 741727-001".

Last checked 2026-10-27

HP 742436-001 Power Adapter

Power Adapter OEM Part Number: 742436-001
Part Specs →

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

Fit & Installation Notes:

Adapter option; match wattage, connector and your original adapter. HP guide description: "45-W Smart AC power adapter, 4.5 mm barrel connector, 2 prong". OEM documentation only; not bench-tested.

Evidence Source:HP service guide
Source notes

HP ProBook 450 G4 Notebook PC / HP ProBook 455 G4 Notebook PC Maintenance and Service Guide, printed p25 (PDF p35): "45-W Smart AC power adapter, 4.5 mm barrel connector, 2 prong 742436-001".

Last checked 2026-10-27

HP heat sink assembly (UMA graphics)

Heat Sink OEM Part Number: 907359-001
Part Specs →

HP heat sink assembly (UMA graphics). Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

HP guide description: "Heat sink assembly (discrete model shown; includes replacement thermal material) UMA graphics models". OEM documentation only; not bench-tested.

Evidence Source:HP service guide
Source notes

HP ProBook 450 G4 Notebook PC / HP ProBook 455 G4 Notebook PC Maintenance and Service Guide, printed p18 (PDF p28): "UMA graphics models 907359-001".

Last checked 2026-10-27

HP 15.6-inch FHD display panel (raw)

Screen OEM Part Number: 809001-003
Part Specs →

HP 15.6-inch FHD display panel (raw). Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

Panel option; match resolution, brightness and touch/privacy options. HP guide description: "Display panel (raw) FHD". OEM documentation only; not bench-tested.

Evidence Source:HP service guide
Source notes

HP ProBook 450 G4 Notebook PC / HP ProBook 455 G4 Notebook PC Maintenance and Service Guide, printed p22 (PDF p32): "FHD 809001-003".

Last checked 2026-10-27

HP US keyboard with cable, no backlight

Keyboard OEM Part Number: 827028-001
Part Specs →

HP US keyboard with cable, no backlight. Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

United States layout (-001 = United States in the guide's keyboard country table). HP guide description: "Keyboard, no backlight". OEM documentation only; not bench-tested.

Evidence Source:HP service guide
Source notes

HP ProBook 450 G4 Notebook PC / HP ProBook 455 G4 Notebook PC Maintenance and Service Guide, printed p45 (PDF p55): "Keyboard, no backlight 827028-xxx".

Last checked 2026-10-27

HP US keyboard with cable, backlit

Keyboard OEM Part Number: 827029-001
Part Specs →

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

Fit & Installation Notes:

United States layout (-001 = United States in the guide's keyboard country table). HP guide description: "Keyboard, backlit". OEM documentation only; not bench-tested.

Evidence Source:HP service guide
Source notes

HP ProBook 450 G4 Notebook PC / HP ProBook 455 G4 Notebook PC Maintenance and Service Guide, printed p45 (PDF p55): "Keyboard, backlit 827029-xxx".

Last checked 2026-10-27

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