The multi-layer thread design on certain Ford Focus spindle nuts gets damaged and stripped from regular usage. This Dorman OE FIX replacement redesigns the nut's thread design to reduce future failure. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Ford Focus: 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011]