This power steering pump pulley is designed to match the fit and function of the original pulley on specified applications. Made of quality materials, it is engineered for reliable performance and durability. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Buick Lucerne: 2006, 2007, 2008, 2009, 2010, 2011] - [Cadillac DeVille: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005] - [Cadillac DTS: 2006, 2007, 2008, 2009, 2010, 2011] - [Cadillac Seville: 1998, 1999, 2000, 2001, 2002, 2003, 2004] - [Oldsmobile Aurora: 2002, 2003] - [Pontiac Bonneville: 2004, 2005]