HP Business Laptop

HP ProBook 455 G8

Spare part numbers for the HP ProBook 455 G8 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 (19)

Compatibility from OEM documentation, not bench-tested.

Heat Sink

HP heat sink M21716-001

OEM Part Number: M21716-001
Part Specs →

HP spare part description: "SPS-HEATSINK UMA".

Fit & Installation Notes:

HP guide description: "Heat sink (includes replacement thermal material)". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf ↗ (HP ProBook 455 G8 Notebook PC Maintenance and Service Guide, printed p19 (PDF p27): "(6) Heat sink (includes replacement thermal material) M21716-001".) Last checked 2026-10-27
Bottom Cover

HP bottom cover (base enclosure) M21720-001

OEM Part Number: M21720-001
Part Specs →

HP spare part description: "SPS-BASE ENCLOSURE UMA".

Fit & Installation Notes:

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

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf ↗ (HP ProBook 455 G8 Notebook PC Maintenance and Service Guide, printed p19 (PDF p27): "(10) Bottom cover M21720-001".) Last checked 2026-10-27
Fan

HP cooling fan M21718-001

OEM Part Number: M21718-001
Part Specs →

HP spare part description: "SPS-FAN UMA".

Fit & Installation Notes:

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

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf ↗ (HP ProBook 455 G8 Notebook PC Maintenance and Service Guide, printed p19 (PDF p27): "(12) Fan M21718-001".) Last checked 2026-10-27
Battery

HP 3-cell 45Wh battery M02027-005

OEM Part Number: M02027-005
Part Specs →

HP spare part description: "SKO-BATT 3C 45Wh 3.95Ah LI RH03045XL-PL".

Fit & Installation Notes:

HP guide description: "Battery (3 cell, 45 Whr)". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf ↗ (HP ProBook 455 G8 Notebook PC Maintenance and Service Guide, printed p19 (PDF p27): "(13) Battery (3 cell, 45 Whr) M02027-005".) Last checked 2026-10-27
Screen

HP 15.6-inch display panel M47420-001

OEM Part Number: M47420-001
Part Specs →

HP spare part description: "FHD, privacy, 1000 nits".

Fit & Installation Notes:

Panel option; match resolution, brightness and touch/privacy options. HP guide description: "FHD, privacy, 1000 nits". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf ↗ (HP ProBook 455 G8 Notebook PC Maintenance and Service Guide, printed p22 (PDF p30): "FHD, privacy, 1000 nits M47420-001".) Last checked 2026-10-27
Screen

HP 15.6-inch display panel M47418-001

OEM Part Number: M47418-001
Part Specs →

HP spare part description: "FHD, 400 nits".

Fit & Installation Notes:

Panel option; match resolution, brightness and touch/privacy options. HP guide description: "FHD, 400 nits". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf ↗ (HP ProBook 455 G8 Notebook PC Maintenance and Service Guide, printed p22 (PDF p30): "FHD, 400 nits M47418-001".) Last checked 2026-10-27
Screen

HP 15.6-inch display panel M49788-001

OEM Part Number: M49788-001
Part Specs →

HP spare part description: "FHD, 400 nits, locked".

Fit & Installation Notes:

Panel option; match resolution, brightness and touch/privacy options. HP guide description: "FHD, 400 nits, locked". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf ↗ (HP ProBook 455 G8 Notebook PC Maintenance and Service Guide, printed p22 (PDF p30): "FHD, 400 nits, locked M49788-001".) Last checked 2026-10-27
Screen

HP 15.6-inch display panel M47419-001

OEM Part Number: M47419-001
Part Specs →

HP spare part description: "HD, SVA, 250 nits".

Fit & Installation Notes:

Panel option; match resolution, brightness and touch/privacy options. HP guide description: "HD, SVA, 250 nits". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf ↗ (HP ProBook 455 G8 Notebook PC Maintenance and Service Guide, printed p22 (PDF p30): "HD, SVA, 250 nits M47419-001".) Last checked 2026-10-27
Screen

HP 15.6-inch display panel M47417-001

OEM Part Number: M47417-001
Part Specs →

HP spare part description: "FHD, UWVA, 250 nits".

Fit & Installation Notes:

Panel option; match resolution, brightness and touch/privacy options. HP guide description: "FHD, UWVA, 250 nits". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf ↗ (HP ProBook 455 G8 Notebook PC Maintenance and Service Guide, printed p22 (PDF p30): "FHD, UWVA, 250 nits M47417-001".) Last checked 2026-10-27
Screen

HP 15.6-inch display panel M49787-001

OEM Part Number: M49787-001
Part Specs →

HP spare part description: "FHD, UWVA, 250 nits, locked".

Fit & Installation Notes:

Panel option; match resolution, brightness and touch/privacy options. HP guide description: "FHD, UWVA, 250 nits, locked". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf ↗ (HP ProBook 455 G8 Notebook PC Maintenance and Service Guide, printed p22 (PDF p30): "FHD, UWVA, 250 nits, locked M49787-001".) Last checked 2026-10-27
Power Adapter

HP 913691-850 Power Adapter

OEM Part Number: 913691-850
Part Specs →

65 W HP Smart AC adapter, non-PFC, EM variant; 4.5 mm barrel output

Fit & Installation Notes:

Adapter option; match wattage, connector and your original adapter. HP guide description: "65 W, nPFC, SMART, 4.5 mm, EM". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf ↗ (HP ProBook 455 G8 Notebook PC Maintenance and Service Guide, printed p22 (PDF p30): "65 W, nPFC, SMART, 4.5 mm, EM 913691-850".) Last checked 2026-10-27
Power Adapter

HP 710412-001 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, nPFC, SMART, 3 pin, 4.5 mm". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf ↗ (HP ProBook 455 G8 Notebook PC Maintenance and Service Guide, printed p22 (PDF p30): "65 W, nPFC, SMART, 3 pin, 4.5 mm 710412-001".) Last checked 2026-10-27
Power Adapter

HP L67440-001 Power Adapter

OEM Part Number: L67440-001
Part Specs →

65 W USB-C adapter, non-PFC, 1.8 m cable

Fit & Installation Notes:

Adapter option; match wattage, connector and your original adapter. HP guide description: "65 W, nPFC, USB-C, 1.8 m (6 ft)". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf ↗ (HP ProBook 455 G8 Notebook PC Maintenance and Service Guide, printed p23 (PDF p31): "65 W, nPFC, USB-C, 1.8 m (6 ft) L67440-001".) Last checked 2026-10-27
Power Adapter

HP 741727-001 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, nPFC, SMART, RC, 4.5 mm, nonslim". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf ↗ (HP ProBook 455 G8 Notebook PC Maintenance and Service Guide, printed p23 (PDF p31): "45 W, nPFC, SMART, RC, 4.5 mm, nonslim 741727-001".) Last checked 2026-10-27
Power Adapter

HP 742436-001 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, nPFC, SMART, RC, 4.5 mm, 2 pin". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf ↗ (HP ProBook 455 G8 Notebook PC Maintenance and Service Guide, printed p23 (PDF p31): "45 W, nPFC, SMART, RC, 4.5 mm, 2 pin 742436-001".) Last checked 2026-10-27
Power Adapter

HP 45W USB-C AC adapter

OEM Part Number: L43407-001
Part Specs →

HP 45W USB-C AC adapter. Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

Adapter option; match wattage, connector and your original adapter. HP guide description: "45 W, nPFC, USB Type-C, 1.8 m (6 ft), 3 pin". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf ↗ (HP ProBook 455 G8 Notebook PC Maintenance and Service Guide, printed p23 (PDF p31): "45 W, nPFC, USB Type-C, 1.8 m (6 ft), 3 pin L43407-001".) Last checked 2026-10-27
Keyboard

HP top cover with keyboard (US) M21740-001

OEM Part Number: M21740-001
Part Specs →

HP spare part description: "SPS-TOPCOVER W/KB CP num US".

Fit & Installation Notes:

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

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf ↗ (HP ProBook 455 G8 Notebook PC Maintenance and Service Guide, printed p55 (PDF p27): "Not backlit M21740-xx1".) Last checked 2026-10-27
Keyboard

HP top cover with backlit privacy keyboard (US) M21741-001

OEM Part Number: M21741-001
Part Specs →

HP spare part description: "SPS-TOPCOVER W/KB CP BL num PVCY US".

Fit & Installation Notes:

United States layout (-001 = United States in the guide's keyboard country table). HP guide description: "Top cover with keyboard, backlit, for use in privacy models". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf ↗ (HP ProBook 455 G8 Notebook PC Maintenance and Service Guide, printed p55 (PDF p27): "Backlit, for use in privacy models M21741-xx1".) Last checked 2026-10-27
Keyboard

HP top cover with backlit keyboard (US) M21742-001

OEM Part Number: M21742-001
Part Specs →

HP spare part description: "SPS-TOPCOVER W/KB CP BL num US".

Fit & Installation Notes:

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

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf ↗ (HP ProBook 455 G8 Notebook PC Maintenance and Service Guide, printed p55 (PDF p27): "Backlit M21742-xx1".) Last checked 2026-10-27
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