🔧【Applications】: Upstream 234-9021 x1 Downstream 234-4163 x1 Oxygen Sensor Replacement for 2003 2002 2001 Toyota Sienna V6 3.0L 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. MAXFAVOR 1Pcs Upstream and 1Pcs Downstream Oxygen Sensor Replacement for TOYOTA SIENNA V6 2003 2002 2001 O2 Sensor 234-9021 234-4163
COMPATIBLE MODELS
Make Model Engine Year Notes
Replacement for TOYOTA SIENNA V6-3.0 2003-2001 1Pcs Upstream + 1Pcs Downstream