This engine cooling fan resistor is specifically designed for Dodge Ram Promaster 1500, 2500, and 3500 models from 2014 to 2020. A direct replacement for part number 68099815AA, this radiator motor relay helps regulate your vehicle's cooling system performance. The resistor plays a crucial role in controlling fan speeds, helping maintain optimal engine temperature during various driving conditions. Precision-engineered to meet OE specifications, this component ensures proper fitment and reliable operation. Installation in the designated mounting location is straightforward with its vehicle-specific design. The durable construction features quality materials built to withstand under-hood temperatures and conditions. Keep your Promaster's cooling system functioning efficiently with this essential replacement part that helps prevent potential overheating issues and maintains consistent fan operation.