Which motherboard fits the Lenovo IdeaPad 3 15ALC6? OEM part numbers

10 motherboards are documented for the Lenovo IdeaPad 3 15ALC6: 5B21B85223, 5B21B85224, 5B21B85225, 5B21B85233, 5B21B85234 and 5 more. 10 of 10 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
5B21B85223	Lenovo Lenovo BDPLANAR MB L82KU WIN R75700U_UMA_4GRM 5B21B85223	Lenovo description: "Lenovo BDPLANAR MB L82KU WIN R75700U_UMA_4GRM". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B85224	Lenovo Lenovo BDPLANAR MB L82KU NOK R75700U_UMA_4GRM 5B21B85224	Lenovo description: "Lenovo BDPLANAR MB L82KU NOK R75700U_UMA_4GRM". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B85225	Lenovo Lenovo BDPLANAR MB L82KU WIN R55500U_UMA_4GRM 5B21B85225	Lenovo description: "Lenovo BDPLANAR MB L82KU WIN R55500U_UMA_4GRM". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B85233	Lenovo MB L82KU NOK R55500U_UMA_4GRM 5B21B85233	Lenovo description: "MB L82KU NOK R55500U_UMA_4GRM". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B85234	Lenovo Lenovo BDPLANAR MB L82KU WIN R35300U_UMA_4GRM 5B21B85234	Lenovo description: "Lenovo BDPLANAR MB L82KU WIN R35300U_UMA_4GRM". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B85235	Lenovo MB L82KU NOK R35300U_UMA_4GRM 5B21B85235	Lenovo description: "MB L82KU NOK R35300U_UMA_4GRM". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B85236	Lenovo Lenovo BDPLANAR MB L82KU WIN R75700U_UMA_8GRM 5B21B85236	Lenovo description: "Lenovo BDPLANAR MB L82KU WIN R75700U_UMA_8GRM". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B85237	Lenovo MB L82KU NOK R75700U_UMA_8GRM 5B21B85237	Lenovo description: "MB L82KU NOK R75700U_UMA_8GRM". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B85238	Lenovo MB L82KU WIN R55500U_UMA_8GRM 5B21B85238	Lenovo description: "MB L82KU WIN R55500U_UMA_8GRM". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B21B85239	Lenovo BDPLANAR MB L82KU NOK R55500U_UMA_8GRM 5B21B85239	Lenovo description: "BDPLANAR MB L82KU NOK R55500U_UMA_8GRM". OEM documentation only; not bench-tested.	OEM documented	2026-11-04

Where do these Lenovo IdeaPad 3 15ALC6 motherboard part numbers come from?

10 of 10 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 15ALC6?

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 15ALC6.

Other parts for the IdeaPad 3 15ALC6

Service Part (235) · Screen (11) · Wireless Card (5) · SSD (24) · Screw Kit (9) · Keyboard (504) · Display Bezel (4) · Bracket (1) · Memory (15) · Battery (16) · Power Adapter (24) · Hinge (2) · Camera (4) · Fan (4) · Hard Drive (2) · Display Back Cover (4) · I/O Board (1) · Hinge Cover (1) · Cable (4) · Display Cable (2) · RTC Battery (2) · Heat Sink (3)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model lenovo-ideapad-3-15alc6) or the keyless JSON API.