Meet 2x For Mazda 6 2.5L 2009 2010 2011 2012 2013 4 & 5 Wire Air Fuel Ratio Oxygen O2 Sensor 02 Upstream Downstream 234-4279 234-5033 — where style meets true functionality at a competitive price. The go-to option for buyers who demand real value and best prices. AliExpress shipping you can trust — only at Ktayrav.college.