The Nissens Auxiliary Water Pump - 831053 is a small, electric pump designed to assist in the circulation of coolant throughout a vehicle's cooling system. It is typically used in conjunction with the main water pump to help regulate the temperature of the engine and prevent overheating. The pump is made from durable materials and is designed to withstand high temperatures and constant use. It is compatible with a wide range of vehicle makes and models and is easy to install. This auxiliary water pump helps to maintain the proper functioning of the cooling system, ensuring that the engine stays at a safe operating temperature.