The details interface only displays some car models. To view all car models, please click on the top of the interface"make sure this fits" Fitment1: For Chevrolet L4, 2010-2012 Cruze Base 1.8L, 2010-2015 Cruze LS/LT 1.8L, 2011-2015 Cruze Eco/LTZ 1.4L, 2010-2015 Cruze LT 1.4L, 2015 Cruze L 1.8L, 2016 Cruze Limited Eco<<Z 1.4L, 2016 Cruze Limited L&LS< 1.8L, 2012-2016 Sonic L4 1.4L&1.6L, 2012-2020 Sonic LS< 1.4L&1.6L&1.8L, 2012-2016 Sonic LTZ 1.4L&1.8L, 2013-2016 Sonic RS 1.4L, 2017-2020 Sonic Premier 1.4L&1.6L, 2013-2021 Trax LS<<Z 1.4L&1.8L, 2017-2020 Trax Premier 1.4L&1.8L, 2003-2005 Vectra 2.2L Fitment2: For Buick L4 1.4L, 2013-2021 Encore Base, 2013-2016 Encore Leather/Convenience,2013-2018 Encore Premium, 2015-2019 Encore CX&CXL, 2017-2020 Encore Essence, 2017-2021 Encore Preferred, 2017-2018 Encore Preferred II, 2017-2020 Encore Sport Touring #Fitment3: For 2010-2011 Cadillac SRX Performance&Premium V6 2.8L #Fitment4: 2008 Pontiac G8 V6 3.6L(Base 2009) #Fitment5:For 2010-2011 Saab 9-5 Aero V6 2.8L(Turbo6 2011) Replace part numbers: 55572216,55572215,213-4698,55562206,234-4821,ES20011,12619211,93190419 12-month-warranty:During the warranty,if there is any problem with your o2 sensor,please contact us,we will refund you or send you a brand new replacement. Manufactured to the high standards and subjected to rigorous safety and performance tests.Supplied with a factory-fitted OE connector for easy installation.Direct fit, form and function. The oxygen sensor is one of the most critical sensors in your car.It communicates with your vehicle's electronic control unit (ECU) to help figure out what the right air-to-fuel ratio should be for the best engine performance.