Fits: 2013-2020 Buick Encore L4 1.4L2013-2020 Chevy Trax L4 1.4L2012-2019 Sonic L4 1.4L2011-2016 Chevy Cruze L4 1.4L2016 Cruze Limited L4 1.4L. Function:Regulate the tension of the belt to ensure that it maintains proper tension during the transmission process, thus avoiding belt slippage, tooth skipping or tooth removal.
