OEM Extended Life ORANGE I Antifreeze/Coolant meets or exceeds performance requirements ASTM D3306, JIS K2234 and is recommended for use and fully compatible with product meeting GM 6277M. This long service life product is based on a proprietary organic acid technology (OAT). This ethylene glycol based product is free of silicates, phosphates, borates, nitrates, nitrites and amines. It protects coolant system metals against rust and corrosion and provides excellent high temperature aluminum protection. It is fully compatible with other similarly formulated OAT coolants and is recommended for use in North American cars and light duty vehicles. May also be used in 2010 or newer Ford and 2012 or newer Chrysler models. When added as an initial fill and properly maintained in accordance with engine manufacturer's maintenance recommendation, this coolant provides up to 250,000 km or 5 years service life protection in automotive applications. For best results, do not mix with conventional high pH, phosphate, borate or silicate based antifreeze/coolant.