Denso 234-4673 Oxygen Sensor (Air and Fuel Ratio Sensor) About this item Designed to detect the amount of oxygen in the exhaust system Constructed from high quality material Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing Manufactured with precision to meet OE standards Easy installation From the manufacturer About us DENSO is a global company focused on advanced mobility that positively changes how the world moves and contributes to greater well-being. As a global Fortune 500 company, we have a broad product portfolio and widespread global impact. We are focused on the development of core technologies in four fields to create new value and influence the future of mobility. DENSO's network spans across 35 countries and regions allowing us to share diverse perspectives and opinions to deliver global and regional solutions to meet societal needs.The DENSO brand is built on delivering more Quality and Reliability. Whether supplying the world?s automakers with reliable OE parts, or developing aftermarket, DENSO?s line of products are built to deliver superior all-around performance every day. At DENSO we?ve taken everything we have learned as an OE manufacturer and applied it to our aftermarket product lines. Every component that leaves our factories has been designed with precision, manufactured to OE standards. At DENSO, we?re constantly striving to break new ground with innovative solutions for today?s demanding automotive needs. All of our products are built to OE-standards and incorporate the upgrades ? an OE manufacturer can make. DENSO First Time Fit products are manufactured to give you the right part and the right fit ? the first time, every time.