✅ FITMENT： Liangchi Air Fuel Ratio Sensor for FORD: 2011-17 Expedition, 2013-19 Explorer, 2011-14 E-150, 2011-14 E-250, 2011-16 E-350 Super Duty, 2011-16 E-450 Super Duty， FORD: 2013-19 Flex, 2012-14 Focus, 2011-16 F-150, 2011-16 F-250 Super Duty, 2011-16 F-350 Super Duty, 2013-16 F-450 Super Duty, 2012-15 F53, 2013-16 F-550 Super Duty, 2012-15 F59, 2011-14 Mustang, 2013-19 Police Interceptor Sedan

✅ Replace OE Number: Liangchi sensor de oxígeno Replace part number 17321 fit for FORD: 2014-19 Police Interceptor Utility, 2013-19 Taurus, 2015-19 Transit-150, 2015-19 Ford Transit-250, 2015-19 Ford Transit-350, 2015-19 Ford Transit-350 HD; LINCOLN: 2015-16 MKC, 2013-16 MKS, 2013-19 MKT, 2011-17 Navigator.⚠NOTE: Please check the part numbers whether they suit your vehicle before purchasing

✅ About Sensor: Durability is important, that's why the Liangchi O2 sensor is made from high-temperature-resistant materials with a built-in heater to speed up the ignition, improve fuel efficiency, reduce harmful emissions, and prevent vibration and wire corrosion for a longer lifespan!

✅ About Selection: Please check the oxygen sensor plug before purchasing or use the year/brand/model and interchangeable part numbers to confirm compatibility, ⚠NOTE: Professional installation is highly recommended, professional tools are required and some models need to be programmed to match professionally to eliminate error codes.

✅ About Installation: Step 1. Locate the oxygen sensor position and remove it with a socket, step 2. Compare the new sensor to the old sensor to ensure a proper installation, step3. Please clean the threaded port to ensure a proper seal of the new sensor, step 4. Gently tighten the sensor to keep the wire free from damage and avoid sensor leakage, step 5. reinstall the connector, and try to clear it if the car has diagnostic trouble codes