Introduction: Oxygen sensors are designed to monitor the amount of oxygen that's in your car's exhaust stream, as a marker of efficiency and to confirm the catalytic converters function properly.Feature: Condition: Brand New Warranty: 1 Year 4 Pcs O2 Oxygen Sensors Upstream Downstream for Chrysler4 Wire Application: for Chrysler 200 2011-2017 for Chrysler 300 2014-2018 for Chrysler Pacifica 2017-2018 for Chrysler Town and Country 2011-2016 for Dodge Avenger 2011-2014 for Dodge Caliber 2011-2012 for Dodge Challenger 2016-2018 for Dodge Charger 2014-2018 for Dodge Durango 2012-2018 for Dodge Grand Caravan 2011-2018 for Dodge Journey 2011-2018 for Jeep Cherokee 2014-2018 for Jeep Compass 2011-2018 for Jeep Grand Cherokee 2012-2018 for Jeep Patriot 2011-2017 for Jeep Wrangler 2012-2017 for Jeep Wrangler JK 2018 for DodgeRam 1500 2012-2018 for DodgeRam 2500 2012-2018 for DodgeRam 3500 2012-2018 for DodgeRam 4500 2014-2016 for DodgeRam 5500 2014-2016 for DodgeRam C/V 2012-2015 Condition: Brand New Warranty: 2 years Wires: 4 Position: Upstream & Downstream Length: 505mm / 19.88 inch Replace for part number: 15510, 15006, 2344547, 5149171AA, 68144248AA, 23161, 2132965 Package Include: 4Pcs Oxygen Sensors(Upstream & Downstream) as Pictured Package Includes: 4X Oxygen Sensor Code:MGGRP Authority ID：MXR02FXSY Notice：California Prop 65 Warning Notice：California Prop 65 Warning Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.