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.OTR provides the highest quality heavy duty truck and trailer parts. With comprehensive research, independent testing, and continued product development, OTR heavy duty parts are sure to keep you and your truck safe while on and off the road.OTR has a wide selection of heavy duty truck parts, such as brakes and wheel end, steering and suspension, lubricants and filtration, lighting, power take off parts, batteries, starters, and more. OTR knows what it takes to repair and maintain Class 6-8 trucks, so they deliver solutions that make your job easier and more efficient.OTR warranties are comparable or better than OE and top brands. All heavy duty truck parts offer the same form, function, and fit as the OE replacement parts.