OTR’s Light Duty Universal Antifreeze/Coolant Concentrate ensures Expertise Built In™, as a premium ethylene glycol-based formula with advanced additives, providing maximum performance in automotive and light duty applications. In addition, this OTR antifreeze formula provides maximum freeze and boil-over protection. At the same time, your investment is protected from corrosion of all cooling system metals, including aluminum. This universal antifreeze offers high-performing qualities to keep your vehicle running longer. FleetPride is your First Click in Heavy Duty®.