Index: wp-includes/general-template.php
===================================================================
--- wp-includes/general-template.php	(revision 18627)
+++ wp-includes/general-template.php	(working copy)
@@ -111,7 +111,7 @@
  *
  * @uses locate_template()
  * @since 3.0.0
- * @uses do_action() Calls 'get_template_part{$slug}' action.
+ * @uses do_action() Calls 'get_template_part{$slug}' and "get_template_part_{$slug}_after" action.
  *
  * @param string $slug The slug name for the generic template.
  * @param string $name The name of the specialised template.
@@ -126,6 +126,8 @@
 	$templates[] = "{$slug}.php";
 
 	locate_template($templates, true, false);
+
+	do_action( "get_template_part_{$slug}_after", $slug, $name );
 }
 
 /**