This is an OEM engine cooling radiator with an AC air conditioner condenser fan for Mercedes-Benz W251 R350 and ML350 models from 2006 to 2013. It is made of aluminum and comes with OE/OEM part numbers A2515000003, A2518350047, A2515000403, A2515000004, A2515000904, A2515000603, and A2515000054. The product is designed to be placed in the engine compartment and is a genuine OE OEM original part.