This is a replacement front main seal for your 1.4L engine. The stock seals are a common failure point and can lead to oil leakage. Installation only takes a few minutes. 

Fits: 2012-2020 Chevy Sonic, 2011-2016.5 Chevy Cruze, 2015+ Chevy Trax, 2013+ Buick Encore. 

Does not fit 2016.5-2019 Chevy Cruze with the 1.4L direct injected engine.