Replacement Flex Fuel Sensor, Compatible with Buick, Chevy, Cadillac, GMC - 2012-2021 - Replaces 13577429, 13507129 Lacrosse, ATS, SRX, Caprice, Equinox, Impala, Silverado 1500, Tahoe, Sierra 2500HD

Replacement Flex Fuel Sensor, Compatible with Buick, Chevy, Cadillac, GMC - 2012-2021 - Replaces 13577429, 13507129 Lacrosse, ATS, SRX, Caprice, Equinox, Impala, Silverado 1500, Tahoe, Sierra 2500HD Replacement Flex Fuel Sensor - the flex fuel sensor measures and senses the actual amount of ethanol content in the fuel that passes from the gas tank to the engine. This sensor detects the ethanol content by electrical charges and sends information to the ECM. This is applicable to your Regal, XTS, Captiva Sport, Impala Limited and Suburban. Compatible Replacement for Buick, Cadillac, Chevrolet & GMC Vehicles - 2013-2016 Lacrosse 3.6L | 2013 Regal 2.0L | 2013 ATS 2.0L, 3.6L | 2016 ATS 2.5L, 3.6L | 2013 SRX 3.6L | 2013-2016 XTS 3.6L | 2012, 2013, 2014, 2015, 2016, 2017 Caprice PPV | 2013-2015 Captiva Sport | 2013-2017 Equinox 2.4L | 2011-2012 Equinox 3.0L | 2013-2016 Equinox 3.6L | 2013 Impala | 2014, 2015, 2016, 2017, 2018, 2019, 2020 Impala 3.6L | 2021 GMC Sierra 2500 HD 6.6L | &a