Coolant

Motorcraft Premium Engine Coolant
VC-4-A (in Oregon VC-5, in Canada CXC-10) or equivalent (green color)

Motorcraft Premium Gold Engine Coolant
VC-7-A (in Oregon VC-7-B) or equivalent (yellow color)

NOTE: Use the same type of coolant that was drained from the cooling system. Do not mix coolant types.