Mirror Glass and Adhesive 89-97 Mercury Cougar or Ford Thunderbird Driver Left Side Replacement This mirror glass is a high quality replacement for your damaged mirror. This is the mirror glass only - No plastic backing plate attached. Automotive strength adhesive pads are included for an easy and high quality installation. This glass measures 7 1/2" diagonally (Longest diagonal dimension from top corner to opposing bottom corner). Complete installation instructions are included. Easy DIY installation! Fits Driver Left Side - Non Heated Version