OCPTY O2 Oxygen Sensor Upstream or Downstream 234 4220 234 4733 fit 2004 2005 for Acura EL 1999 2000 2004 2005 for Honda Civic 2003 2011 for Honda Element

Compatible with: Upstream or Downstream 2004-2005 Acura EL 1.7L 1999-2000 Honda Civic 1.6L 2004-2005 Honda Civic 1.7L 2003-2011 Honda Element 2.4L Attention! Bank 1 Sensor 1 means Upstream Right/Rear; Bank 2 Sensor 1 means Upstream Left/Front; Bank 1 Sensor 2 means Downstream Right/Rear; Bank 2 Sensor 2 means Downstream Left/Front. Many buyers brought the wrong Oxygen Sensor because they donot pay attention to the plug and the length of the sensor. Please check these 2 features before purchase. Package Including: 1PCS oxygen sensor