Direct from ford
Premium Gold Engine Coolant
- Yellow-colored, extended-life, ethylene glycol based engine coolant for use in gasoline and diesel engines
- Provides year-round antifreeze, antiboil and corrosion protection
- Only use where specified. Do not mix this product with systems originally equipped with any green-colored, conventional engine coolant such as Motorcraft® Premium Engine Coolant, meeting Ford Material Specification ESE-M97B44-A or any orange-colored,extended-life engine coolant such as Motorcraft® Specialty Orange Engine Coolant, meeting Ford Material Specification WSS-M97B44-D
Peak has their Global Lifetime Coolant and Zerex has their G-05 coolant.
These are all 5 year coolants so you don't need to flush and fill unless you really need the extra protection.