STP® GM Vehicle Extended Life 50-50 Premixed Antifreeze/Coolant meets or exceeds performance requirements ASTM D3306, JIS K2234 and is recommended for use and fully compatible with product meeting Ford WSS-M97B44-D, Chrysler MS-12106 and GM 6277M.

This ethylene glycol antifreeze/coolant is based on a proprietary organic acid corrosion inhibitor package powered by RECO-COOL technology (OAT) that is free of silicates, phosphates, borates, nitrates, nitrites and amines. It provides extended protection against rust, corrosion and pitting caused by cavitation for all coolant system metals, including aluminum. STP® GM Vehicle Extended Life 50-50 Premixed Antifreeze/Coolant 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 of service life protection in automotive applications. For best results, do not mix with conventional high pH, phosphate, borate or silicate based antifreeze/coolant.