🔧【Applications】OE# 234-4066 213-1693 21043 213-3011 ES20116 Downstream Oxygen Sensor Replacement for 2010-2006 Chevy Cobalt Hhr,for 2010-2007 Pontiac G5,2006-2005 Pursuit,for Saturn 2007-2005 Ion,2007-2006 2003-2002 Vue,2003-2002 L200,2003-2002 Lw200,2002-2000 Sc1 Sc2 Sl Sl1 Sl2,2001-2000 Sw2 02 Sensor. 🔧【Advantage】Made of high-quality materials,strong durability,to ensure service life,oxygen sensor can improve engine performance and fuel economy,extend catalytic converter life. 🔧【Cautions】Pls carefully check your vehicle year & make & model with the fitment of Amazon and our description.Pls compare your part with our pictures, it must be completely same.If you have any questions, please email us, we try to answer all email within 24 hours. 🔧【Installation】STEP1. Locate the oxygen sensor position and remove it with socket, STEP2. Compare the new sensor to the old sensor to ensure a proper installation, STEP3. Please clean the threaded port to en sure a proper seal of the new sensor,STEP4.Gently tighten the sensor in order to keep wire free from damage and avoid sensor leakage, STEP5,Reinstail the connecor,try to clear it if the car has diagnostic trouble codes. 🔧【Warranty】1-Year Unlimited Miles Warranty. If the oxygen sensor does not fit your vehicle, we accept return. Please make the item clean and package in good condition. Downstream Oxygen Sensor O2 Sensor Fit for 2010-2006 Chevy Cobalt Hhr Pontiac G5 2003-2000 Pursuit Saturn Ion Vue L200 Lw200 Sc1 Sc2 Sl Sl1 Sl2 Sw2 234-4066 213-1693 21043 213-3011 ES20116