Powertrain Secondary Cooling System Coolant Pump
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2018 Ford Transit-350 HD, 2018 Ford Transit-350, 2018 Ford Transit-250, 2018 Ford Transit-150, and 2018 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
The belt driven powertrain secondary cooling system coolant pump is mounted to the front of the engine and circulates the coolant which cools the fuel in the fuel cooler system, in addition to cooling other powertrain components. Refer to FUEL SYSTEM , Fuel Cooling for additional information.