Recommended by Ford Motor Company meeting warranty requirements.
Yellow-colored, longer-life, ethylene glycol-based antifreeze/coolant for use in gasoline and diesel engines. Provides year-round antifreeze, anti-boil and corrosion protection. Ready-to-use. No need to add water. The 50/50 mixture of coolant and treated (purified) water provides freeze protection down to -34 °F (-37 °C) and boiling protection up to 265 °F (129 °C).
Use only when specified

• Use when Ford Specification WSS-M97B51-A1 is specified.
• Do not use this product in systems originally equipped with the orange-colored Motorcraft® Orange Antifreeze/Coolant, meeting Ford Specifications WSS-M97B44-D or –D2, or with the fluorescent green-colored Motorcraft® Premium Antifreeze/Coolant, meeting Ford Specification ESE-M97B44- A, or with the dark green-colored Motorcraft® Specialty Green Engine Coolant, meeting Ford Specification WSS-M97B55-A.
• Meets or exceeds the requirements of WSS-M97B51-A1 (as a 50/50 mixture), ASTM D 3306, Chrysler MS-9769, Cummins 14603, and ASTM D 6210
• Contains a bittering agent