LAKE FOREST, Ill. – Prestone Products Inc. has launched two new cooling additives for heavy duty vehicles.

Prestone Command Supplemental Coolant Additive (SCA) is designed to prevent rust from forming, stop scale build-up, control the pH balance, replenish corrosion inhibitors and protect all engine and colling system componenet metlas in heavy duty cooling systems with extended service interval technology.

The company says its pre-mixed Prestone Command Extended Liquid Coolant Additive will replenish lost corrosion protection, offer complete wet liner protection, protect all cooling system metals, and inhibit rust, corrosion and scale formation in cooling systems. It is engineered for extended service interval technology.

“The addition of Supplemental Coolant Additives (SCA) and Extender Liquid Coolant Additive to our product line demonstrates our continued commitment to the heavy duty market we serve,” said Mike Henning, Prestone marketing manager, heavy duty.