Oxygen Sensor 17321, O2 Sensor Compatible with Ford for E-Series for Expedition for Explorer for F-Series for Flex for Mustang for Taurus for Transit-Series for MKC for MKS for MKT About this item OE: replace 17321 automotive replacement oxygen sensor O2 sensor compatible with Ford: for E-150 2011-2014, for E-250 2011-2014, for E-350 Super Duty 2011-2015, for Expedition 2011-2017, for Explorer 2013-2019, for F-150 2011-2016, for F-250 Super Duty 2011-2016, for F-350 Super Duty 2011-2016, for Flex 2013-2019, for Mustang 2011-2014, for Police Interceptor Sedan 2013-2019, for Police Interceptor Utility 2014-2019, for Taurus 2013-2019, for Transit-150 2015-2019, for Transit-250 2015-2019, for Transit-350 2015-2019, for Transit-350 HD 2015-2019 02 sensor compatible with Lincoln: For MKC 2015-2016, for MKS 2013-2016, for MKT 2013-2019, for Navigator 2011-2017 How to choose: Please check the description for interchangeable part numbers and fitment or use the year/make/model drop-down bar to confirm the compatibility. How to replace: (1) locate the position of the old o2 sensor and then remove it with a proper tool; (2) compare the new 02 sensor to the old one to confirm they are the same; (3) gently clean the oxygen sensor threaded port to ensure a tight seal; (4) properly tighten the automotive replacement oxygen sensors to avoid damage the wire and sensor leakage as well; (5) install the new sensor and connect it; (6) clear the error codes Product Description