Heavy duty truck and trailer signal lighting performs important safety functions while you are on the road. They keep you and other drivers safe by showing a change in direction and deceleration. Heavy duty truck and trailer lights also make your vehicle more noticeable to other motorists at nighttime and during poor visibility.FleetPride carries a variety of heavy duty incandescent and LED signal lighting products for your truck and trailer, such as multipurpose stop turn tail lights, turn signal lights, trailer tail lights, side marker light assembly, trailer tow lights, turn signal parking light assembly parts, and more. Browse our extensive heavy duty part inventory to find the right part for you.Dorman HD Solutions has a reputation in the heavy duty truck and trailer industry for having a variety of parts for a complete repair. They use advanced reverse-engineering techniques to check into today's common failures and figure out the why. Afterward, they use findings to apply modern technologies to match OEM parts and solve the issues.Based in Colmar, PA, Dorman HD Solutions' roots started in 1918. Dorman HD Solutions’ goal is to provide cost-saving solutions to their customers. They take pride in their ability to reduce technicians' time and owners' money with their innovative products and solutions.