Update your car or truck"s look with the Spyder Auto lightning products. Top quality taillights with OEM fitment for a simple bolt-on installation. Each set includes a pair of taillights (left and right side). Please verify fitment before purchasing. Fits Chevy Silverado 1500 / 2500 / 3500 99-02 / GMC Sierra 1500 / 2500 / 3500 99-02.