Left Hand Driver's Side Timing Belt Chain Tensioner Damper is a direct fit for the following:

1997-2008 Ford Explorer
2001-2008 Ford Explorer Sport Trac
2000-2008 Ford Ranger
2005-2008 Ford Mustang
1997-2008 Mercury Mountaineer
4.0L Engines Only

Genuine Ford Part Number: 7U3Z-6K254-B