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.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.