The Imperial Vehicle Lighting Line of tractor and trailer lights offer standard connections and common mounting accessories that are designed to make exchanging out broken lights easy. The Imperial 6”, 4”, and 2” LED Stop/Turn/Tail lamps are built from a polycarbonate material with a water-tight seal. The Imperial 2” Round Clearance Marker Lamp’s durability allows it to run warmer in cold climates, according to the company. Users can choose from more than 200 different vehicle lighting options and access more than 25,000 additional fleet maintenance products.