This Bosch oxygen sensor (part number 13735) is an essential component for your Lexus ES300, RX350, Toyota Camry or RAV4. With its superior quality and accurate performance, it ensures that your vehicle's exhaust emissions remain within legal limits. Designed for easy installation, this sensor is a perfect fit for your car's exhaust and emission system.The Bosch 13735 oxygen sensor features a single sensor design and is compatible with most vehicles. It measures the amount of oxygen in the exhaust gas and sends the data to the engine control unit. This information is used to adjust the air-to-fuel ratio, which in turn improves fuel efficiency, reduces emissions, and enhances overall engine performance. This sensor is a must-have for any vehicle owner who wants to keep their car running smoothly and efficiently.