Zerex® DEX-COOL is GM approved for use in GM vehicles produced beginning in 1996. This formula also meets many of the European manufacturers' phosphate-free and Asian manufacturers' silicate-free requirements.
For convenience and protection try Zerex® DEX-COOL Ready To Use. Zerex® DEX-COOL Ready To Use combines the excellent temperature and corrosion protection of Zerex® DEX-COOL with de-mineralized water to help reduce the risk of cooling system deposits. The 50/50 mixture provides protection down to -36°C.
How It Works: Zerex DEX-Cool uses the highest quality virgin ethylene glycol for freeze and boilover protection and a patented organic acid corrosion inhibitor package to provide extended engine protection against rust and corrosion.