2000-2005 Chevrolet Impala 3.4L V6 [Center] & 3.8L V6 [Center] & Monte Carlo 3.4L V6 [Center]; 2004-2005 Chevrolet Impala 3.4L V6 [N/A] & 3.8L V6 Supercharged [Center]; 2005-2007 Buick Allure 3.8L V6 [Center] & LaCrosse 3.8L V6 [Center]; 2006-2007 Pontiac Grand Prix 3.8L V6 Supercharged [Center]; 2006-2008 Pontiac Grand Prix 3.8L V6 [Center]