Compatible with or fits: (Note: Cal Emissions) 2007, 2009 Mazda 3 2.3L 4-Cylinder Naturally Aspirated. Compatible with or fits: 2004 - 2007, 2009 Mazda 3 2.0L 4-Cylinder. Compatible with or fits: 2004 - 2006 Mazda 3 2.3L 4-Cylinder. Compatible with or fits: (Note: California Emissions Up To 10/01/2007) 2008 Mazda 3 2.0L 4-Cylinder. Compatible with or fits: 2008 Mazda 3 2.3L 4-Cylinder Naturally Aspirated.
