APRIL GLOBAL DIESEL LONG LIFE is a premium quality yellow antifreeze-coolant suitable for all diesel trucks and heavy equipment and provides up to 250,000 km or 5 years protection in a properly maintained cooling system. Made with HOAT (Hybrid Organic Acid Technology), it does not require the addition of SCA (Supplemental Coolant Additives). It protects all metal components, is phosphate-free, low in silicates and compatible with all major brands of conventional and OAT (Organic Acid Technology) antifreeze-coolants.