Cummins Filtration debuts NAP-free OAT coolant

Cummins Filtration announced the release of its environmentally-friendly Fleetguard ES Compleat OAT (Organic Acid Technology) Coolant in a nitrite, amine and phosphate free (NAP-free) formulation. ES Compleat OAT does not contain borate or silicate, and the NAP-free formula facilitates improved liner pitting protection and better aluminum protection.

The coolant – which also provides antifreeze, antiboil, heat transfer and corrosion protection – meets ASTM and the performance specifications of Cummins, Detroit Diesel, Volvo, Mack and Navistar. With extended service intervals of 150,000 miles, ES Compleat OAT offers freeze protection to -34 degrees Fahrenheit and is compatible with gaskets, elastomers and other nonmetallics in all diesel, gasoline and natural gas engines.