Pair of Peterson Stop-Turn-Tail Lights for Trucks, Trailers, RVs, 440 & 440L (1) Peterson Manufacturing 440 Combination Tail Light - Right / Passenger Side (1) Peterson Manufacturing 440L Combination Stop and Tail Light - Left / Driver Side Under-80 Combination Tail Light. Incandescent Lights Includes the Following Functions: Stop, Turn, Tail, Rear Reflex, Side Marker, Side Reflex, and License Light (L suffix only). Mounts on 2 centers and includes mounting hardware. Grounds through 1/4 mounting studs.