Genuine Bosch AUX Coolant Pump 039202342K

An Aux Pump in a car is a supplementary pump that assists in the circulation of fluids within the vehicle's system. It is designed to provide additional support to the primary pump, ensuring a consistent flow of fluids throughout the car's various components.

With its ability to help maintain the proper functioning of critical systems such as the coolant or fuel system, the Aux Pump plays a crucial role in enhancing the overall performance and efficiency of the vehicle. By working in tandem with the primary pump, it helps regulate fluid levels and temperatures, ultimately contributing to the smooth operation of the car.