The Blazer B83 7-function left side combination stop/tail/turn light is designed to conform to applicable US FMVSS108 and Canadian CMVSS safety standards for all vehicles and trailers under 80 wide. This light provides 7 legal functions to include stop tail turn rear and side reflex side marker and license illumination. Easily replace lens and bulb for convenient maintenance. Stud mounts on industry standard 2 centers.