Which motherboard fits the Lenovo IdeaPad 3 15IIL05? OEM part numbers

30 motherboards are documented for the Lenovo IdeaPad 3 15IIL05: 5B20Y88165, 5B20Y88166, 5B20Y88167, 5B20Y88168, 5B21B08033 and 25 more. 30 of 30 come from OEM documentation (pcsupport.lenovo.com); last checked 2026-11-04. Not bench-tested: match the number on your old motherboard and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
5B20Y88165	Lenovo MBL81WEWINI31005G1_MX330_2G4GNT 5B20Y88165	Lenovo description: "MBL81WEWINI31005G1_MX330_2G4GNT". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B20Y88166	Lenovo MBL81WENOKI31005G1_MX330_2G4GNT 5B20Y88166	Lenovo description: "MBL81WENOKI31005G1_MX330_2G4GNT". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B20Y88167	Lenovo Lenovo BDPLANAR MB L81WE WIN I51035G1_MX330_2G4GNT 5B20Y88167	Lenovo description: "Lenovo BDPLANAR MB L81WE WIN I51035G1_MX330_2G4GNT". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B20Y88168	Lenovo MBL81WENOKI51035G1_MX330_2G4GNT 5B20Y88168	Lenovo description: "MBL81WENOKI51035G1_MX330_2G4GNT". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B08033	Lenovo MBL81WEWIN 6805_UMA_4G_T 5B21B08033	Lenovo description: "MBL81WEWIN 6805_UMA_4G_T". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B08034	Lenovo MBL81WENOK 6805_UMA_4G_T 5B21B08034	Lenovo description: "MBL81WENOK 6805_UMA_4G_T". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B08035	Lenovo MBL81WEWIN 6805_UMA_4G_NT 5B21B08035	Lenovo description: "MBL81WEWIN 6805_UMA_4G_NT". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B08036	Lenovo MBL81WENOK 6805_UMA_4G_NT 5B21B08036	Lenovo description: "MBL81WENOK 6805_UMA_4G_NT". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B08037	Lenovo MBL81WEWIN 5805_UMA_4G_T 5B21B08037	Lenovo description: "MBL81WEWIN 5805_UMA_4G_T". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B08038	Lenovo MBL81WENOK 5805_UMA_4G_T 5B21B08038	Lenovo description: "MBL81WENOK 5805_UMA_4G_T". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B08039	Lenovo MBL81WEWIN 5805_UMA_4G_NT 5B21B08039	Lenovo description: "MBL81WEWIN 5805_UMA_4G_NT". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B08040	Lenovo MBL81WENOK 5805_UMA_4G_NT 5B21B08040	Lenovo description: "MBL81WENOK 5805_UMA_4G_NT". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B36556	Lenovo Lenovo BDPLANAR MB L81WE WIN I31005G1_UMA_4G_T 5B21B36556	Lenovo description: "Lenovo BDPLANAR MB L81WE WIN I31005G1_UMA_4G_T". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B36557	Lenovo MB L81WE NOK I31005G1_UMA_4G_T 5B21B36557	Lenovo description: "MB L81WE NOK I31005G1_UMA_4G_T". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B36558	Lenovo Lenovo BDPLANAR MB L81WE WINI31005G1_UMA_4G_NT 5B21B36558	Lenovo description: "Lenovo BDPLANAR MB L81WE WINI31005G1_UMA_4G_NT". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B36559	Lenovo BDPLANAR MB L81WE NOKI31005G1_UMA_4G_NT 5B21B36559	Lenovo description: "BDPLANAR MB L81WE NOKI31005G1_UMA_4G_NT". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B36560	Lenovo Lenovo BDPLANAR MB L81WE WINI51035G1_UMA_4G_T 5B21B36560	Lenovo description: "Lenovo BDPLANAR MB L81WE WINI51035G1_UMA_4G_T". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B36561	Lenovo MB L81WE NOKI51035G1_UMA_4G_T 5B21B36561	Lenovo description: "MB L81WE NOKI51035G1_UMA_4G_T". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B36562	Lenovo Lenovo BDPLANAR MB L81WE WINI51035G1_UMA_4G_NT 5B21B36562	Lenovo description: "Lenovo BDPLANAR MB L81WE WINI51035G1_UMA_4G_NT". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B36563	Lenovo MB L81WE NOKI51035G1_UMA_4G_NT 5B21B36563	Lenovo description: "MB L81WE NOKI51035G1_UMA_4G_NT". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B36564	Lenovo MB L81WE WINI51035G4_UMA_4G_T 5B21B36564	Lenovo description: "MB L81WE WINI51035G4_UMA_4G_T". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B36565	Lenovo MB L81WE NOKI51035G4_UMA_4G_T 5B21B36565	Lenovo description: "MB L81WE NOKI51035G4_UMA_4G_T". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B36566	Lenovo Lenovo BDPLANAR MB L81WE WINI51035G4_UMA_4G_NT 5B21B36566	Lenovo description: "Lenovo BDPLANAR MB L81WE WINI51035G4_UMA_4G_NT". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B36567	Lenovo Lenovo BDPLANAR MB L81WE NOKI51035G4_UMA_4G_NT 5B21B36567	Lenovo description: "Lenovo BDPLANAR MB L81WE NOKI51035G4_UMA_4G_NT". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B36568	Lenovo Lenovo BDPLANAR MB L81WE WINI71065G7_UMA_4G_T 5B21B36568	Lenovo description: "Lenovo BDPLANAR MB L81WE WINI71065G7_UMA_4G_T". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B36569	Lenovo MB L81WE NOKI71065G7_UMA_4G_T 5B21B36569	Lenovo description: "MB L81WE NOKI71065G7_UMA_4G_T". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B36570	Lenovo Lenovo BDPLANAR MB L81WE WINI71065G7_UMA_4G_NT 5B21B36570	Lenovo description: "Lenovo BDPLANAR MB L81WE WINI71065G7_UMA_4G_NT". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B36571	Lenovo MB L81WE NOKI71065G7_UMA_4G_NT 5B21B36571	Lenovo description: "MB L81WE NOKI71065G7_UMA_4G_NT". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B48854	Lenovo MBL81WEWINI71065G7_MX330_NT 5B21B48854	Lenovo description: "MBL81WEWINI71065G7_MX330_NT". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B48855	Lenovo MBL81WENOKI71065G7_MX330_NT 5B21B48855	Lenovo description: "MBL81WENOKI71065G7_MX330_NT". OEM documentation only; not bench-tested.	OEM documented	2026-11-04

Where do these Lenovo IdeaPad 3 15IIL05 motherboard part numbers come from?

30 of 30 fits are from OEM documentation (pcsupport.lenovo.com); each row links its source. Last checked 2026-11-04.

Are these motherboards 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) · 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) · I/O Board (2) · 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.