The PM PRODUCTS Global Concentrate Antifreeze/Coolant is designed for diesel engines and provides protection against freezing, boiling, and corrosion. It is engineered to maintain optimal engine performance and efficiency. This antifreeze/coolant is compatible with various diesel engine models and makes, promoting the longevity of cooling system components. Additionally, it protects metal engine parts from rust and scale deposits, ensuring effective operation and maintenance of your vehicle's cooling system.