Your turn signal/side marker light assembly can come individually or as a kit and 4WD offers solutions from KCHiLiTES, Crown Automotive and Hella. Lamps may be LED with amber or clear lenses and come in shapes ranging from oval to round to more. Side markers are key components for safety during nighttime driving and replacing them is easy and worth the time. Match up the proper voltage with an option that fits your personal style and functions smoothly so people will know which way your 4x4 is turning. Many have reflex reflectors and all of these are affordable, reliable options.