Delo ELC Advanced products are the next generation, ethylene glycol-based NOAT (Nitrited Organic Additive Technology) products to provide excellent extended life coolant system protection in diesel, natural gas and CNG engines for both on- and off-road applications. It is available in Premixed 50/50 and concentrate.

A versatile engine coolant suitable for a wide range of  on- and off-road applications.

An all-purpose, long-life engine coolant for mixed truck fleets, off-highway and stationary equipment. 

A water-based, super concentrate inhibitor that protects cooling system metals

An extended-life anti-freeze that provides protection in all the elements. 

HDAX® PF Antifreeze/Coolant - Premixed 50/50 is a single-phase, ethylene glycol based, low silicate coolant/antifreeze designed for use in natural gas engines and in heavy duty on-highway and off-highway diesel engines.