Which heat sink fits the Lenovo IdeaPad 3 15IAU7? OEM part numbers

3 heat sinks are documented for the Lenovo IdeaPad 3 15IAU7: 5H40S20531, 5H40S20532, 5H40S20533. 3 of 3 come from OEM documentation (pcsupport.lenovo.com); last checked 2026-11-04. Not bench-tested: match the number on your old heat sink and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
5H40S20531	Lenovo Heatsink L 82RK WEIHONG UMA 5H40S20531	Lenovo description: "Heatsink L 82RK WEIHONG UMA". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5H40S20532	Lenovo Heatsink L 82RK TAISOL UMA 5H40S20532	Lenovo description: "Heatsink L 82RK TAISOL UMA". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5H40S20533	Lenovo Heatsink L 82RK AVC UMA 5H40S20533	Lenovo description: "Heatsink L 82RK AVC UMA". OEM documentation only; not bench-tested.	OEM documented	2026-11-04

Where do these Lenovo IdeaPad 3 15IAU7 heat sink part numbers come from?

3 of 3 fits are from OEM documentation (pcsupport.lenovo.com); each row links its source. Last checked 2026-11-04.

Are these heat sinks tested in the Lenovo IdeaPad 3 15IAU7?

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 15IAU7.

Other parts for the IdeaPad 3 15IAU7

Camera (3) · Keyboard (378) · Service Part (120) · Power Cord (38) · SSD (30) · Battery (16) · Screw Kit (9) · Screen (10) · Wireless Card (4) · Memory (16) · Fan (4) · Display Bezel (3) · I/O Board (1) · Bracket (1) · Display Back Cover (3) · Motherboard (12) · Hard Drive (6) · Power Adapter (3) · RTC Battery (1) · Hinge Cover (1) · Cable (7) · Hinge (2) · Display Cable (2)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model lenovo-ideapad-3-15iau7) or the keyless JSON API.