Features Reduce your emission levels and give your fuel economy a boost with a Denso Oxygen Sensor Corrosion-resistant stainless steel construction withstands extreme under-hood temperatures Sports a high-tech PTFE filter to block performance-robbing contaminants Refined zirconia element improves overall sensor response Denso O2 sensors have incredibly close tolerances to OE standards Your Denso O2 Sensors are covered by a 12-month warranty DescriptionDenso O2 Sensors lower harmful emissions levels and deliver greater fuel economy than the competition. These high-quality replacement components are built to serve you ¨C and the environment ¨C for many years. Stainless steel construction, PTFE filter and response-enhancing zirconia element. 12-month warranty. NotesATTN: State of California ConsumersWARNING: Cancer and Reproductive Harm (www.p65warnings.ca.gov)Manufacturer InfoReturn Information