The product is a Hayden Engine Cooling Fan Clutch for 09-13 Dodge Ram 1500 and 2500 models. It is made of aluminum, with dimensions of 5.3" in length, 7.3" in height and width, weighing 2.9 lbs. The manufacturer part number is 2931, and it is also compatible with interchange part numbers A81709, 281689, 22150, 55056860AB, 55056860AC, 9202450, 922157, and 46087.