Lambda Oxygen Sensor 2PCS 234-4209 89465-47070 For Toyota Prius 2004-2009 1.5L Up&Downstream Air Fuel Ratio Sensor

Function: Sensors improve engine performance and fuel efficiency by reducing CO and other harmful emissions, which extends the life of your catalytic converter. Lambda Sensor: Is crafted from quality high temperature resistant material, durable and resistant to oxidation and high temperatures, it ensuring quicker response times, and long-term stable performance. Timely replacement: As soon as you notice a Check Engine Light, poor fuel economy, or an erratic idle engine, Please replace the oxygen sensor as soon as possible.This will ensure your vehicle runs smoothly, efficiently, and help extend the life of your engine. Easy to install ：Oxygen Sensors directly replace the old parts in the original position of the installation without change,easy to install on your vehicle Kindly Remind ：Since Each Country Has Different Models, Please Confirm Your Model And Production Year To Meet Our Description, And Check Whether Your Sensor Oem Number Is Consistent With Our Product Oem Number.