This glass will work on the older style tow mirrors we offer (like the mirrors in the image below). It comes with the backing plate so you can just snap it on and plug in the defrost. This glass does come with defrost.
OEM Cross Reference: 15393017, 19120895, 15393018, 19120896
Aftermarket Installation Video: https://youtu.be/diSkfau5Bpk
OEM Installation Video: https://youtu.be/JZLDPGE6QGg
Our OEM replacement glass will NOT work on early 2015 trucks with OEM old style mirrors. Our OEM replacement glass only works on OEM mirrors from 2003-2014.