You would have to check with Lexus. We are not able to access Lexus specific part numbers....
According to this thread and lexuspartsnow.com
https://forum.ih8mud.com/100-series-cruisers/39995-lx470-cabin-air-filter-replacement-diy.html
the 2000 and 2001 LX470 need 2 of the filters that the 2006/2007 LCs use for the cabin, PN 88568-60010 which is made in Japan
