Prestone’s Command Heavy Duty Nitrite Free Extended Life Organic Acid Technology Antifreeze/Coolant offers protection for aluminum and all other engine metals against pitting and corrosion.

“This nitrite free technology and the addition of Prestone Command test kits, test strips and coolant additives continue to broaden our line of heavy duty antifreeze/coolant products,” said Mark Henning, marketing manager at Prestone.

Prestone Command coolant is designed to provide up to 600,000 miles or 12,000 hours of protection against temperature, rust, corrosion, scale and premature water pump failure.

 It is CAT EC-1 compatible for any heavy duty engine.