HP Business Laptop

HP ProBook 445 G9

Spare part numbers for the HP ProBook 445 G9 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.

Compatible Replacement Parts (25)

Compatibility from OEM documentation, not bench-tested.

Battery

HP 3-cell 51Wh battery M73472-005

OEM Part Number: M73472-005

HP spare part description: "SKO-BATT 3C51Wh 4.68Ah LI RH03051XL-PL".

Fit & Installation Notes:

HP guide description: "3 cell, 51 Wh". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p20 (PDF p30): "3 cell, 51 Wh M73472-005".) Last checked 2026-10-27
Battery

HP 3-cell 42Wh battery M75599-005

OEM Part Number: M75599-005

HP spare part description: "SKO-BATT 3C42Wh 3.95Ah LI RH03042XL-PL".

Fit & Installation Notes:

HP guide description: "3 cell, 42 Wh". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p20 (PDF p30): "3 cell, 42 Wh M75599-005".) Last checked 2026-10-27
Heat Sink

HP heat sink with thermal material

OEM Part Number: M47406-001

HP heat sink with thermal material. Documented OEM replacement; see each fit for configuration limits.

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_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p20 (PDF p30): "(7) Heat sink (includes replacement thermal material) M47406-001".) Last checked 2026-10-27
Fan

HP cooling fan M21718-001

OEM Part Number: M21718-001

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

Fit & Installation Notes:

HP guide description: "For use in 42 W models". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p20 (PDF p30): "For use in 42 W models M21718-001".) Last checked 2026-10-27
Fan

HP cooling fan N00095-001

OEM Part Number: N00095-001

HP spare part description: "SPS-FAN CPU UMA 51W AL".

Fit & Installation Notes:

HP guide description: "For use in 51 W models". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p20 (PDF p30): "For use in 51 W models N00095-001".) Last checked 2026-10-27
Bottom Cover

HP bottom cover (base enclosure) N00121-001

OEM Part Number: N00121-001

HP spare part description: "SPS-BASE ENCLOSURE DIS/UMA 51W".

Fit & Installation Notes:

HP guide description: "For use in models with a 51 Wh battery". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p20 (PDF p30): "For use in models with a 51 Wh battery N00121-001".) Last checked 2026-10-27
Bottom Cover

HP bottom cover (base enclosure) M21370-001

OEM Part Number: M21370-001

HP spare part description: "SPS-BASE ENCLOSURE UMA 14".

Fit & Installation Notes:

HP guide description: "For use in models with a 42 Wh battery". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p20 (PDF p30): "For use in models with a 42 Wh battery M21370-001".) Last checked 2026-10-27
Screen

HP FHD privacy display panel

OEM Part Number: N00079-001

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

Fit & Installation Notes:

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

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p23 (PDF p33): "FHD, privacy N00079-001".) Last checked 2026-10-27
Screen

HP 14-inch display panel (FHD 400 nit)

OEM Part Number: N00081-001

HP 14-inch display panel (FHD 400 nit). Documented OEM replacement; see each fit for configuration limits.

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_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p23 (PDF p33): "FHD, 400 nits N00081-001".) Last checked 2026-10-27
Screen

HP 14-inch FHD display panel N00082-001

OEM Part Number: N00082-001

HP spare part description: "SPS-RAW PANEL 14 FHD AG 250".

Fit & Installation Notes:

Panel option; match resolution, brightness and touch/privacy options. HP guide description: "FHD, 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_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p23 (PDF p33): "FHD, 250 nits N00082-001".) Last checked 2026-10-27
Screen

HP FHD 250 nit touch display panel

OEM Part Number: N00080-001

HP FHD 250 nit touch display panel. Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

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

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p23 (PDF p33): "FHD, 250 nits, touch screen N00080-001".) Last checked 2026-10-27
Screen

HP 14-inch HD display panel N00083-001

OEM Part Number: N00083-001

HP spare part description: "SPS-RAW PANEL 14 HD AG 250".

Fit & Installation Notes:

Panel option; match resolution, brightness and touch/privacy options. HP guide description: "HD, 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_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p23 (PDF p33): "HD, 250 nits N00083-001".) Last checked 2026-10-27
Power Adapter

HP L67440-001 Power Adapter

OEM Part Number: L67440-001

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 (6.0 ft)". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p24 (PDF p34): "65 W, nPFC, USB-C, 1.8 m (6.0 ft) L67440-001".) 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:

Adapter option; match wattage, connector and your original adapter. HP guide description: "65 W, nPFC, 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_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p24 (PDF p34): "65 W, nPFC, 3 pin, 4.5 mm 710412-001".) Last checked 2026-10-27
Power Adapter

HP 913691-850 Power Adapter

OEM Part Number: 913691-850

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, 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_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p24 (PDF p34): "65 W, nPFC, 4.5 mm, EM 913691-850".) Last checked 2026-10-27
Power Adapter

HP AC adapter 65 W nPFC USB-C travel L21487-001

OEM Part Number: L21487-001

HP AC adapter 65 W nPFC USB-C travel L21487-001. Documented OEM replacement; see each fit for configuration limits.

Fit & Installation Notes:

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

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p24 (PDF p34): "65 W, nPFC, USB-C, travel adapter L21487-001".) Last checked 2026-10-27
Power Adapter

HP L32392-001 Power Adapter

OEM Part Number: L32392-001

65 W USB Type-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, RC, 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_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p24 (PDF p34): "65 W, nPFC, USB-C, RC, 1.8 m (6 ft) L32392-001".) 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:

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_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p24 (PDF p34): "45 W, nPFC, SMART, RC, 4.5 mm, nonslim 741727-001".) Last checked 2026-10-27
Power Adapter

HP 45W USB-C AC adapter

OEM Part Number: L43407-001

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, 3 pin, USB-C, 1.8 m (6.0 ft)". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p24 (PDF p34): "45 W, nPFC, 3 pin, USB-C, 1.8 m (6.0 ft) L43407-001".) 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:

Adapter option; match wattage, connector and your original adapter. HP guide description: "45 W, nPFC, 2 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_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p24 (PDF p34): "45 W, nPFC, 2 pin, 4.5 mm 742436-001".) Last checked 2026-10-27
Power Adapter

HP 860210-850 Power Adapter

OEM Part Number: 860210-850

45 W USB-C adapter, wall mount, 3-pin AC input

Fit & Installation Notes:

Adapter option; match wattage, connector and your original adapter. HP guide description: "45 W, nPFC, USB-C, wall mount". OEM documentation only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://kaas.hpcloud.hp.com/pdf-public/pdf_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p24 (PDF p34): "45 W, nPFC, USB-C, wall mount 860210-850".) Last checked 2026-10-27
Power Adapter

HP L32390-001 Power Adapter

OEM Part Number: L32390-001

45 W USB Type-C adapter, non-PFC, wall mount, 1.8 m cable

Fit & Installation Notes:

Adapter option; match wattage, connector and your original adapter. HP guide description: "45 W, nPFC, USB-C, wall mount, 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_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p24 (PDF p34): "45 W, nPFC, USB-C, wall mount, 1.8 m (6 ft) L32390-001".) Last checked 2026-10-27

HP spare part description: "SPS-TOP COVER W/KB BL 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_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p69 (PDF p30): "Backlit N01287-001".) Last checked 2026-10-27
Keyboard

HP top cover with keyboard (US) N01286-001

OEM Part Number: N01286-001

HP spare part description: "SPS-TOP COVER W/KB 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_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p69 (PDF p30): "Not backlit N01286-001".) Last checked 2026-10-27
Keyboard

HP top cover with keyboard (US) N01288-001

OEM Part Number: N01288-001

HP spare part description: "Top cover with keyboard, backlit, for use in privacy models".

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_12000652_en-US-1.pdf ↗ (HP ProBook 445 14 inch G9 Notebook PC Maintenance and Service Guide, printed p69 (PDF p30): "Backlit, for use in privacy models N01288-001".) Last checked 2026-10-27
Repair & Bulk Parts Questions

Need a Repair or Bulk Parts Quote?

Repair and bulk parts quotes are not available online yet. Email us with your laptop model and part number.