Description:

Compatible with or fits: 2006 - 2009 Mazda 3 2.3L 4 Cyl FI Naturally Aspirated Gas. Compatible with or fits: 2004 - 2009 Mazda 3 2.0L 4 Cyl FI Naturally Aspirated Gas. Bank: 1; Sensor: 1; Upstream. Upstream Oxygen Sensor. Review Description to Ensure Proper Fit.