Autotruckmirrorsunlimited Mirror Glass And Adhesive - Gmc Fullsize Pickup - Driver Left Side Replacement This mirror glass is a high quality replacement for your damaged mirror. Automotive strength adhesive pads are included for an easy and high quality installation. This glass measures 9 5/8" diagonally (Longest diagonal dimension from top corner to opposing bottom corner). Complete installation instructions are included. Easy DIY installation! Fits Driver Left Side