OEM Extended Life ORANGE Antifreeze/Coolant meets or exceeds performance requirements ASTM D3306, JIS K2234, VW TL 774D 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 newer model foreign and domestic cars and light duty trucks. *When properly diluted and added as an initial fill, this coolant provides up to 150,000 miles or 5 years service life protection in automotive applications. For best results, do not be mix with conventional high pH, phosphate, borate or silicate based antifreeze/coolant.