The List Web Part for CRM 4.0 and SharePoint Services 3.0 and SharePoint Server 2007 was released on 17th December 2008.
Download from:
http://www.microsoft.com/downloads/details.aspx?FamilyID=3b6eb884-ec15-4…
As of Dynamics CRM 2015 Online Update 1 the SharePoint List Component is deprecated, you are advised to switch to server-based integration, see http://blogs.msdn.com/b/crm/archive/2015/05/15/dynamics-crm-2015-update-1-list-component-deprecation.aspx