In short: in a Lenovo ThinkPad L15 Gen 4 you can replace many components - the keyboard, palmrest, IR/RGB camera, fan and the charger. The most reliable way to match the right part is the FRU / Part Number printed on the original component. We confirm model compatibility against the official Lenovo Hardware Maintenance Manual and the laptop's As-Built number, so each part lists verified compatible models and replacement numbers. Below is the full list of L15 Gen 4 parts grouped by component — click to go to the offer.
L15 Gen 4 spare parts — full list with FRU numbers
Original Lenovo parts compatible with the ThinkPad L15 Gen 4. Many chassis and display components are shared with the T16 / P16s Gen 2 (shared keyboard) and L15 Gen 3 (previous generation, some parts shared). Click a part to go to the offer.
Cooling
- Lenovo ThinkPad L15 3rd 4th generation fan | 5F10Z58246 - FRU 5F10Z58246
CMOS batteries (BIOS backup)
- Lenovo T490s T14s P14s L13 L14 L15 BIOS Battery - FRU 01AY996
Palmrest, keyboard, touchpad
- Lenovo ThinkPad T16 P16s P16v 2nd gen L15 4th keyboard | 5N21K05004 - FRU 5N21K05004
- Lenovo ThinkPad T16 P16s P16v 2nd gen L15 4th gen Keyboard | SN21K04819 - FRU SN21K04819
- Lenovo ThinkPad T16 P16s P16V 2nd gen L15 Keyboard | 5N21K05028 - FRU 5N21K05028
- Touchpad sticker Lenovo T490 T590 E590 T14 T15 E15 P15 L15 - FRU Naklejka_touchpad_T490
- Palmrest Lenovo ThinkPad L15 3rd 4th generation | 5CB0Z69512 - FRU 5CB0Z69512
- Touchpad clickpad trackpad Lenovo E15 T15 T14 P15 L15 P17 - FRU 8SSM10P36028G
- Lenovo ThinkPad L13 L14 L15 Yoga L13 3 NFC Touchpad | 5M11B95919 - FRU 5M11B95919
- Lenovo ThinkPad L13 L14 L15 Yoga L13 4th Gen Touchpad | 5M11B95879 - FRU 5M11B95879
- Lenovo ThinkPad T16 P16s L13 L14 L15 L13 Yoga Touchpad | 5M11B95924 - FRU 5M11B95924
- Touchpad Lenovo ThinkPad T16 P16s L13 L14 L15 L13 Yoga | SM11B91283 - FRU SM11B91283
- Touchpad Lenovo ThinkPad T16 P16s L13 L14 L15 L13 Yoga | SM11D11395 - FRU SM11D11395
Display, cables and hinges
- Lenovo X13 T14s P16 L13 L14 L15 T16 P16s Hybrid IR Camera | 5C20W86485 - FRU 5C20W86485
- Lenovo X13 T14s P16 L13 L14 L15 T16 RGB IR Hybrid Camera | 5C21D67528 - FRU 5C21D67528
- LCD eDP display cable for Lenovo ThinkPad L15 3rd 4th generation - FRU 5C11C12619
Cases and bezels
- Lower case Lenovo ThinkPad L15 4th generation | 5CB1L57611 - FRU 5CB1L57611
Docks and power
Frequently asked questions about L15 Gen 4 parts
Do parts from the T16/P16s Gen 2 fit the L15 Gen 4?
The keyboard is shared with the T16 Gen 2 and P16s Gen 2 (as shown by a common FRU number). The palmrest and display cable are shared with the L15 Gen 3 - only the bottom case changed between generations.
What battery does the L15 Gen 4 have and which one to choose?
We currently do not stock a main cell for the L15 Gen 4 - ask us if you need one. A CMOS/BIOS battery (shared with the T490s/T14s/P14s/L13/L14) is available in the CMOS batteries section above - choose it by FRU number.
Which keyboard fits the L15 Gen 4?
The L15 Gen 4 shares its keyboard with the T16 Gen 2 and P16s Gen 2 - available in several FRU variants. Choose the variant from the Palmrest, keyboard, touchpad section above, ideally comparing the FRU number. Gen 3 keyboards usually do NOT fit.
Which camera and cable should I choose for the L15 Gen 4?
The L15 Gen 4 has a hybrid IR camera (Windows Hello) and an RGB version, shared with the L13/L14/T16 of the same platform - the display cable is shared with Gen 3. Choose according to your unit's camera from the Display, cables and hinges section above.
Which motherboard fits the L15 Gen 4?
We currently do not stock a motherboard for the L15 Gen 4 - ask us with your configuration (processor, RAM) and we will look for a matching part.
What charger does the L15 Gen 4 use?
The L15 Gen 4 charges with a 65 W USB-C charger - the same as the T480s/X280/T490s/T14s/L13. Choose a wattage no lower than the original.
How do I check the FRU number of an L15 Gen 4 part?
The FRU number (Part Number) is printed on the component itself - on the keyboard, palmrest, case or camera. It is the most reliable way to choose. We described how to read it in our guide How to read a Lenovo FRU number.
Which L15 Gen 4 parts are replaced most often?
The most frequently replaced are the keyboard, touchpad, bottom case and fan. You will find all these items in the list above with their FRU numbers.