Zerex G-40 Antifreeze/Coolant Provides Unsurpassed Protection For Vehicles Requiring Genuine G-40 & G 12 ++ Fluid. This Original Equipment Manufacturer (OEM) Approved Formula Ensures You Are Getting The Precise Factory-Filled Original Formula For Your European Vehicle. Zerex G-40 Is A Premium Grade, Long-Life Coolant That Employs Nitrite, Amine & Phosphate-Free, Si-Organic Acid Technology (SI-OAT) To Protect The Cooling System From Rust & Corrosion. Zerex G-40 Chemistry Will Not Void Vehicle Manufacturer Warranty. Provides Protection For 5 Years / 150,000 Miles In Light Duty Applications & 3 Years / 300,000 Miles In Heavy Duty Applications. Don’t Just Use Any Coolant, Use The Chemistry Specified By The Manufacturer: Use Zerex