The HELLA 2SD003167541 is a genuine 12V rear right light designed for commercial vehicles, tractors, and trailers. This multi-functional lamp features 6 light functions: indicator, stop light, tail light, reverse light, rear fog light, and side marker light. It is built with a durable black housing and a lens combining red, clear, and yellow sections. The light is designed for screw mounting and uses P21W, R10W, and PY21W bulb types with an AMP plug connection. Dimensions are 420mm length, 148mm height, and 84mm depth.