OEM Extended Life GOLD Antifreeze/Coolant meets or exceeds performance requirements of ASTM D3306, SAE J1034, US Fed A-A-870-A and is recommended for use and is fully compatible with product meeting Ford WSS-M97B51-A1.This robust, aluminum compatible hybrid engine coolant is low in silicate and is phosphate and amine-free. It provides excellent high temperature aluminum performance in North American cars and light duty vehicles. It protects coolant system metals against rust and corrosion and provides excellent high temperature aluminum protection. *When added as an initial fill and properly maintained in accordance with engine manufacturer’s maintenance recommendation, this coolant provides up to 250,000 kms or 5 years of service life protection in automotive applications. For best results, do not mix with conventional high pH, borate or phosphate based coolants.