Coolant
Cooling System Capacities
Early Build
5.4L V8 without aux rear heat 21.0L (22.2 quarts)
5.4L V8 with aux rear heat 23.0L (24.3 quarts)
Late Build
5.4L Base Radiator without aux rear heat 18.4L (19.4 quarts)
5.4L Heavy Duty Trailer Tow Radiator without aux rear heat 18.6L (19.7 quarts)
5.4L Base Radiator with aux rear heat 19.6L (20.7 quarts)
5.4L Heavy Duty Trailer Tow Radiator with aux rear heat 19.8L (20.9 quarts)
Add the coolant type originally equipped in your vehicle.