This ad is for an OEM GM New 2014, 2015 and 2016 Chevrolet Impala Rear Driver's Left Side Glass Weatherstrip. It is the rubber that lines the space between your door and glass when it is rowed up.
Part number 23125820
This is brand new. I received them in a General Motors master case, so there is no individual box for it.
Part number 23125820
This is brand new. I received them in a General Motors master case, so there is no individual box for it.