Heavy duty warning lights signal your presence to other drivers. Whether you need to pull over to the side of the road, drive slower than usual, get through bad weather, or light up a work area, these heavy duty truck parts will keep you and other drivers safe.FleetPride offers a large inventory of semi truck and trailer warning lights. We carry strobe lights, strobe light bars, LED light bars, trailer light bars, LED beacon lights, LED flasher relays, LED directional lights, LED pedestal lights, and strobe light heads. Browse our diverse assortment to find what you need.Peterson leads the way in heavy duty truck and trailer lighting. The company provides exterior, interior, and work lighting using LED technology. The goal is to create a setting that is bright and safe regardless of weather conditions.Peterson’s creativity helps solve customer issues with the ability to engineer and manufacture to specific customer needs. In addition, products are corrosion-proof and deliver high-performance no matter the time of day. As a result, customers receive high-quality solutions that are dependable in any type of environment.Peterson started in 1945 and has headquarters in Grandview, Missouri and serves customers around the world.