US Motor Works US78 Engine Water Pump

Engine Water Pump for Ford Super Duty Cooling Systems

US Motor Works US78 is an engine water pump for select Ford Super Duty applications. It is built for charge air cooling on 2017-2022 Ford F-250 Super Duty and F-350 Super Duty models with a mechanical-belt driven setup, and for secondary cooling pump use on 2011-2016 Ford F-250 Super Duty and F-350 Super Duty trucks.

• Engine water pump for Ford Super Duty cooling system service
• Fits 2017-2022 Ford F-250 Super Duty, charge air cooling (mechanical-belt driven)
• Fits 2017-2022 Ford F-350 Super Duty, charge air cooling (mechanical-belt driven)
• Fits 2011-2016 Ford F-250 Super Duty, secondary cooling pump
• Fits 2011-2016 Ford F-350 Super Duty, secondary cooling pump
• Includes installation sealing devices
• US Motor Works US78 cross-references AW6267 and PW503 for the same application

Application Details

This US78 water pump is specified for Ford F-250 Super Duty and Ford F-350 Super Duty trucks across 2011-2022 model years, with application-specific use in charge air cooling or secondary cooling pump systems. The part number US78 is a direct-fit service option for buyers searching for a Ford Super Duty engine water pump, secondary cooling pump, or mechanical-belt driven charge air cooling pump.

Common Replacement Reasons

• Coolant circulation loss in the engine cooling circuit
• Overheating tied to pump wear or internal leakage
• Noise from a failing pump bearing or impeller assembly
• Service replacement for a secondary cooling pump on Ford Super Duty trucks
• Repair for charge air cooling system flow issues on mechanical-belt driven applications

Installation Notes

Verify the vehicle year, engine cooling configuration, and system type before installation. Match the pump to the listed Ford F-250 Super Duty or Ford F-350 Super Duty application, and replace sealing components as required during service. Confirm belt-driven charge air cooling or secondary cooling pump configuration before final assembly.

Quality Assurance

US Motor Works supplies application-specific cooling components for service replacement use. Part number US78 is listed with installation sealing devices and is cataloged for the confirmed Ford Super Duty fitments shown above.