2003 Ford E450 Super Duty 7.3L V8. 2003 Ford E450 Super Duty 5.4L V8. 2003 Ford E450 Super Duty 6.8L V10. Notes: HVAC Heater Core -- Aluminum; For Copper Brass Use 94815. Heater cores transfer heat from the engine's cooling system to the inside of the vehicle.
