Brand New! Tested O2 Oxygen Sensor, Manufactured to the Highest Quality Standards. Please make sure your vehicle information is listed here or the part number and photos match the O2 Oxygen Sensor you need. Make Model Year Engine Location Notes 2006-2009 Mazda 3 I4 2.0L Upstream Non Calif-ESV; 2010-2013 Mazda 3 I4 2.0L Upstream 2006-2009 Mazda 3 I4 2.3L Upstream Non Calif-ESV; 2008-2010 Mazda 5 I4 2.3L Upstream Features: Stainless steel housing, hex nut, shield, PTFE coated insulated wires, high temperature rubber internal and external seals and anti-seize coated threaded tube. OE Part Number: 250-25029, 234-5015, LFL7188G1A, LF8R188G1 Location: Upstream Kit Includes: 1 Oxygen Sensor as pictured