Lenovo Business Laptop

ThinkPad X1 Carbon (4th Gen)

Lenovo ThinkPad X1 Carbon (4th Gen) business laptop (MT 20FB, 20FC). Part numbers are service FRUs from Lenovo's official Parts Lookup. Parts vary by configuration; match your machine type and original FRU before ordering. Not bench-tested.

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Compatible Replacement Parts (16)

Compatibility from OEM documentation, not bench-tested.

Battery

Lenovo battery 01AV444

OEM Part Number: 01AV444
Part Specs →

Lenovo description: "Internal,4c,52Wh,LiIon,SMP".

Fit & Installation Notes:

Listed in Lenovo's official parts lookup for the ThinkPad X1 Carbon (4th Gen). Lenovo description: "Internal,4c,52Wh,LiIon,SMP". Parts vary by configuration; match your machine type and original FRU before ordering. OEM parts list only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-type-20fb-20fc/20fb/parts/display/compatible ↗ (Lenovo Parts Lookup (pcsupport.lenovo.com) for ThinkPad X1 Carbon (4th Gen), machine type(s) 20FB, 20FC, lists FRU 01AV444 "Internal,4c,52Wh,LiIon,SMP". Checked 2026-10-27.) Last checked 2026-10-27
Battery

Lenovo battery 01AV458

OEM Part Number: 01AV458
Part Specs →

Lenovo description: "Lenovo BATTERY,15.28V,56Wh,4cell".

Fit & Installation Notes:

Listed in Lenovo's official parts lookup for the ThinkPad X1 Carbon (4th Gen). Lenovo description: "Lenovo BATTERY,15.28V,56Wh,4cell". Parts vary by configuration; match your machine type and original FRU before ordering. OEM parts list only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-type-20fb-20fc/20fb/parts/display/compatible ↗ (Lenovo Parts Lookup (pcsupport.lenovo.com) for ThinkPad X1 Carbon (4th Gen), machine type(s) 20FB, 20FC, lists FRU 01AV458 "Lenovo BATTERY,15.28V,56Wh,4cell". Checked 2026-10-27.) Last checked 2026-10-27
Screen

Lenovo screen 00NY413

OEM Part Number: 00NY413
Part Specs →

Lenovo description: "Lenovo DISPLAY,14",WQHD,Non-Touch,Anti-Glare,IPS,300nit".

Fit & Installation Notes:

Listed in Lenovo's official parts lookup for the ThinkPad X1 Carbon (4th Gen). Lenovo description: "Lenovo DISPLAY,14",WQHD,Non-Touch,Anti-Glare,IPS,300nit". Parts vary by configuration; match your machine type and original FRU before ordering. OEM parts list only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-type-20fb-20fc/20fb/parts/display/compatible ↗ (Lenovo Parts Lookup (pcsupport.lenovo.com) for ThinkPad X1 Carbon (4th Gen), machine type(s) 20FB, 20FC, lists FRU 00NY413 "Lenovo DISPLAY,14",WQHD,Non-Touch,Anti-Glare,IPS,300nit". Checked 2026-10-27.) Last checked 2026-10-27
Screen

Lenovo screen 00HN874

OEM Part Number: 00HN874
Part Specs →

Lenovo description: "Lenovo DISPLAY,14",FHD,Non-Touch,Anti-Glare,IPS,300nit".

Fit & Installation Notes:

Listed in Lenovo's official parts lookup for the ThinkPad X1 Carbon (4th Gen). Lenovo description: "Lenovo DISPLAY,14",FHD,Non-Touch,Anti-Glare,IPS,300nit". Parts vary by configuration; match your machine type and original FRU before ordering. OEM parts list only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-type-20fb-20fc/20fb/parts/display/compatible ↗ (Lenovo Parts Lookup (pcsupport.lenovo.com) for ThinkPad X1 Carbon (4th Gen), machine type(s) 20FB, 20FC, lists FRU 00HN874 "Lenovo DISPLAY,14",FHD,Non-Touch,Anti-Glare,IPS,300nit". Checked 2026-10-27.) Last checked 2026-10-27
Keyboard

Lenovo keyboard 01AV193

OEM Part Number: 01AV193
Part Specs →

Lenovo description: "KBD,US,Bezel US,screw,DFN".

Fit & Installation Notes:

Listed in Lenovo's official parts lookup for the ThinkPad X1 Carbon (4th Gen). Lenovo description: "KBD,US,Bezel US,screw,DFN". Parts vary by configuration; match your machine type and original FRU before ordering. OEM parts list only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-type-20fb-20fc/20fb/parts/display/compatible ↗ (Lenovo Parts Lookup (pcsupport.lenovo.com) for ThinkPad X1 Carbon (4th Gen), machine type(s) 20FB, 20FC, lists FRU 01AV193 "KBD,US,Bezel US,screw,DFN". Checked 2026-10-27.) Last checked 2026-10-27
Power Adapter

Lenovo power adapter 45N0495

OEM Part Number: 45N0495
Part Specs →

Lenovo description: "Lenovo AC_ADAPTER,Rectangle,65W,3P,Black".

Fit & Installation Notes:

Listed in Lenovo's official parts lookup for the ThinkPad X1 Carbon (4th Gen). Lenovo description: "Lenovo AC_ADAPTER,Rectangle,65W,3P,Black". Parts vary by configuration; match your machine type and original FRU before ordering. OEM parts list only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-type-20fb-20fc/20fb/parts/display/compatible ↗ (Lenovo Parts Lookup (pcsupport.lenovo.com) for ThinkPad X1 Carbon (4th Gen), machine type(s) 20FB, 20FC, lists FRU 45N0495 "Lenovo AC_ADAPTER,Rectangle,65W,3P,Black". Checked 2026-10-27.) Last checked 2026-10-27
Power Adapter

Lenovo power adapter 45N0489

OEM Part Number: 45N0489
Part Specs →

Lenovo description: "Lenovo AC_ADAPTER,Rectangle,65W,2P,Black".

Fit & Installation Notes:

Listed in Lenovo's official parts lookup for the ThinkPad X1 Carbon (4th Gen). Lenovo description: "Lenovo AC_ADAPTER,Rectangle,65W,2P,Black". Parts vary by configuration; match your machine type and original FRU before ordering. OEM parts list only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-type-20fb-20fc/20fb/parts/display/compatible ↗ (Lenovo Parts Lookup (pcsupport.lenovo.com) for ThinkPad X1 Carbon (4th Gen), machine type(s) 20FB, 20FC, lists FRU 45N0489 "Lenovo AC_ADAPTER,Rectangle,65W,2P,Black". Checked 2026-10-27.) Last checked 2026-10-27
Heat Sink

Lenovo heat sink 01YT252

OEM Part Number: 01YT252
Part Specs →

Lenovo description: "Thermal Module,w/FAN".

Fit & Installation Notes:

Listed in Lenovo's official parts lookup for the ThinkPad X1 Carbon (4th Gen). Lenovo description: "Thermal Module,w/FAN". Parts vary by configuration; match your machine type and original FRU before ordering. OEM parts list only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-type-20fb-20fc/20fb/parts/display/compatible ↗ (Lenovo Parts Lookup (pcsupport.lenovo.com) for ThinkPad X1 Carbon (4th Gen), machine type(s) 20FB, 20FC, lists FRU 01YT252 "Thermal Module,w/FAN". Checked 2026-10-27.) Last checked 2026-10-27
Heat Sink

Lenovo heat sink 00JT800

OEM Part Number: 00JT800
Part Specs →

Lenovo description: "CPU heatsink,w/fan,FRK".

Fit & Installation Notes:

Listed in Lenovo's official parts lookup for the ThinkPad X1 Carbon (4th Gen). Lenovo description: "CPU heatsink,w/fan,FRK". Parts vary by configuration; match your machine type and original FRU before ordering. OEM parts list only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-type-20fb-20fc/20fb/parts/display/compatible ↗ (Lenovo Parts Lookup (pcsupport.lenovo.com) for ThinkPad X1 Carbon (4th Gen), machine type(s) 20FB, 20FC, lists FRU 00JT800 "CPU heatsink,w/fan,FRK". Checked 2026-10-27.) Last checked 2026-10-27
Camera

Lenovo camera 00HN383

OEM Part Number: 00HN383
Part Specs →

Lenovo description: "Camera,720P,Front,MIC,ZIF,Chy".

Fit & Installation Notes:

Listed in Lenovo's official parts lookup for the ThinkPad X1 Carbon (4th Gen). Lenovo description: "Camera,720P,Front,MIC,ZIF,Chy". Parts vary by configuration; match your machine type and original FRU before ordering. OEM parts list only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-type-20fb-20fc/20fb/parts/display/compatible ↗ (Lenovo Parts Lookup (pcsupport.lenovo.com) for ThinkPad X1 Carbon (4th Gen), machine type(s) 20FB, 20FC, lists FRU 00HN383 "Camera,720P,Front,MIC,ZIF,Chy". Checked 2026-10-27.) Last checked 2026-10-27
Camera

Lenovo camera 00HN336

OEM Part Number: 00HN336
Part Specs →

Lenovo description: "Camera,720P,Front,MIC,ZIF,Ltn".

Fit & Installation Notes:

Listed in Lenovo's official parts lookup for the ThinkPad X1 Carbon (4th Gen). Lenovo description: "Camera,720P,Front,MIC,ZIF,Ltn". Parts vary by configuration; match your machine type and original FRU before ordering. OEM parts list only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-type-20fb-20fc/20fb/parts/display/compatible ↗ (Lenovo Parts Lookup (pcsupport.lenovo.com) for ThinkPad X1 Carbon (4th Gen), machine type(s) 20FB, 20FC, lists FRU 00HN336 "Camera,720P,Front,MIC,ZIF,Ltn". Checked 2026-10-27.) Last checked 2026-10-27
Speakers

Lenovo speakers 00JT835

OEM Part Number: 00JT835
Part Specs →

Lenovo description: "Speaker ASM, L/R".

Fit & Installation Notes:

Listed in Lenovo's official parts lookup for the ThinkPad X1 Carbon (4th Gen). Lenovo description: "Speaker ASM, L/R". Parts vary by configuration; match your machine type and original FRU before ordering. OEM parts list only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-type-20fb-20fc/20fb/parts/display/compatible ↗ (Lenovo Parts Lookup (pcsupport.lenovo.com) for ThinkPad X1 Carbon (4th Gen), machine type(s) 20FB, 20FC, lists FRU 00JT835 "Speaker ASM, L/R". Checked 2026-10-27.) Last checked 2026-10-27
Hinge

Lenovo hinge 01AW982

OEM Part Number: 01AW982
Part Specs →

Lenovo description: "Hinge L/R,SLV,w/plastic".

Fit & Installation Notes:

Listed in Lenovo's official parts lookup for the ThinkPad X1 Carbon (4th Gen). Lenovo description: "Hinge L/R,SLV,w/plastic". Parts vary by configuration; match your machine type and original FRU before ordering. OEM parts list only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-type-20fb-20fc/20fb/parts/display/compatible ↗ (Lenovo Parts Lookup (pcsupport.lenovo.com) for ThinkPad X1 Carbon (4th Gen), machine type(s) 20FB, 20FC, lists FRU 01AW982 "Hinge L/R,SLV,w/plastic". Checked 2026-10-27.) Last checked 2026-10-27
Touchpad

Lenovo touchpad 00JT862

OEM Part Number: 00JT862
Part Specs →

Lenovo description: "ClickPad, Bracket, sponge, tape".

Fit & Installation Notes:

Listed in Lenovo's official parts lookup for the ThinkPad X1 Carbon (4th Gen). Lenovo description: "ClickPad, Bracket, sponge, tape". Parts vary by configuration; match your machine type and original FRU before ordering. OEM parts list only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-type-20fb-20fc/20fb/parts/display/compatible ↗ (Lenovo Parts Lookup (pcsupport.lenovo.com) for ThinkPad X1 Carbon (4th Gen), machine type(s) 20FB, 20FC, lists FRU 00JT862 "ClickPad, Bracket, sponge, tape". Checked 2026-10-27.) Last checked 2026-10-27
Display Back Cover

Lenovo display back cover 01AW988

OEM Part Number: 01AW988
Part Specs →

Lenovo description: "Rear Cover, w/WWAN noise soln".

Fit & Installation Notes:

Listed in Lenovo's official parts lookup for the ThinkPad X1 Carbon (4th Gen). Lenovo description: "Rear Cover, w/WWAN noise soln". Parts vary by configuration; match your machine type and original FRU before ordering. OEM parts list only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-type-20fb-20fc/20fb/parts/display/compatible ↗ (Lenovo Parts Lookup (pcsupport.lenovo.com) for ThinkPad X1 Carbon (4th Gen), machine type(s) 20FB, 20FC, lists FRU 01AW988 "Rear Cover, w/WWAN noise soln". Checked 2026-10-27.) Last checked 2026-10-27
Display Back Cover

Lenovo display back cover 01AW992

OEM Part Number: 01AW992
Part Specs →

Lenovo description: "COVER Rear Cover,w/Cu sheet".

Fit & Installation Notes:

Listed in Lenovo's official parts lookup for the ThinkPad X1 Carbon (4th Gen). Lenovo description: "COVER Rear Cover,w/Cu sheet". Parts vary by configuration; match your machine type and original FRU before ordering. OEM parts list only; not bench-tested.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-type-20fb-20fc/20fb/parts/display/compatible ↗ (Lenovo Parts Lookup (pcsupport.lenovo.com) for ThinkPad X1 Carbon (4th Gen), machine type(s) 20FB, 20FC, lists FRU 01AW992 "COVER Rear Cover,w/Cu sheet". Checked 2026-10-27.) Last checked 2026-10-27
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