Which I/O board fits the Lenovo IdeaPad 3 15IIL05? OEM part numbers

2 I/O boards are documented for the Lenovo IdeaPad 3 15IIL05: 5C50S25437, 5C50S25438. 2 of 2 come from OEM documentation (pcsupport.lenovo.com); last checked 2026-11-04. Not bench-tested: match the number on your old I/O board and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
5C50S25437	Lenovo CARDPOP USB Board L 81WB NFP main 5C50S25437	Lenovo description: "CARDPOP USB Board L 81WB NFP main". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5C50S25438	Lenovo USB Board L 81WB FP main 5C50S25438	Lenovo description: "USB Board L 81WB FP main". OEM documentation only; not bench-tested.	OEM documented	2026-11-04

Where do these Lenovo IdeaPad 3 15IIL05 I/O board part numbers come from?

2 of 2 fits are from OEM documentation (pcsupport.lenovo.com); each row links its source. Last checked 2026-11-04.

Are these I/O boards tested in the Lenovo IdeaPad 3 15IIL05?

No. Fits come from manufacturer or retailer documentation and are not bench-tested. Check the part number on your old part and any listed constraint.

All documented parts for the IdeaPad 3 15IIL05.

Other parts for the IdeaPad 3 15IIL05

Service Part (237) · Screen (30) · Heat Sink (6) · Camera (7) · Motherboard (30) · Wireless Card (2) · Cable (3) · Battery (10) · Display Bezel (1) · SSD (25) · Keyboard (248) · Hard Drive (3) · Memory (15) · Screw Kit (8) · Fan (1) · Hinge Cover (5) · Hinge (1) · Power Adapter (27) · RTC Battery (2) · Display Back Cover (7) · Bracket (1)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model lenovo-ideapad-3-15iil05) or the keyless JSON API.