Widely Compatible: PHILTOP Belt Tensioner Assembly Replacement for 2004-2010 Dodge Ram 1500 3.7; 4.7, 2007-2012 Jeep Liberty, 2005-2009 Jeep Grand Cherokee 3.7; 4.7, 2004-2010 Dodge Dakota, 2004-2006 Jeep Liberty 3.7, 2002-2003 Dodge Ram 1500 3.7; 4.7, 2000-2003 Dodge Dakota 4.7, 2002-2003 Jeep Liberty 3.7, 2007-2011 Dodge Nitro 3.7, 2004-2009 Dodge Durango 3.7; 4.7, 2006-2009 Jeep Commander 3.7; 4.7, 2000-2003 Dodge Durango 4.7, 2011-2012 Ram 1500 3.7; 4.7, 2004 Jeep Grand Cherokee 4.7, 2010 Jeep Grand Cherokee 3.7, 2013 Ram 1500 4.7, 2006-2009 Mitsubishi Raider, 2007-2009 Chrysler Aspen 4.7, 2011 Ram Dakota, 2010 Jeep Commander 3.7. Improves engine performance: prevents belt slippage and noise, and extends the life of your engine belts. Reference Number # 53030958AC. Make sure our Tensioner is perfectly compatible with your Car by 'AmazonConfirmedFit'. High-quality material: It is made of high-strength metal material, which is wear-resistant, corrosion-resistant and high temperature-resistant, and has a longer service life. Stability performance: It can keep the drive belt or chain tight, reduce slack and jumping teeth phenomenon, make the engine and other mechanical parts run more smoothly and reliably. Easy to install: Designed with standard size and interface, it is easy and convenient to install without professional skills.