1997-1998 Ford Truck Expedition Flat, Driver Left Side Replacement Mirror Glass This glass measures 8 3/8 inches diagonally (Longest diagonal dimension from top corner to opposing bottom corner). This mirror has lasered holes (in the reflective coating) for the built-in turn signal. Exclusive Burco Authorized On-Line Distributor We are the only distributor able to give Burco Lifetime Guarantee Burco Trained Technical Support