The FLEETGUARD NOAT Concentrate Antifreeze/Coolant is engineered to provide protection against corrosion and rust, supporting extended engine life. It enhances the performance of all types of heavy duty diesel engines and is suitable for both on-road and off-road applications across diverse climates. This antifreeze/coolant is compatible with most other coolant brands, offering effortless integration. It is designed to maintain optimal engine operating temperatures, contributing to the reliable function of your engine system. Available in a 55-gallon size, it facilitates long-term use.