Coolant formulated with premium quality, single-phase, ethylene glycol-based product. This product provides excellent heat-rejecting aluminum protection for all automotive and light-duty diesel applications. It also provides outstanding protection for heavy-duty diesel applications when combined with supplemental coolant additives. It protects all common cooling system metals including solder, copper, brass, steel, cast iron, and aluminum. This formulation is compatible with all other major brands of coolant and will not affect automotive hoses and gaskets.

This oil is recommended for automotive and truck cooling systems. It contains an effective defoamer to prevent foaming in the cooling system for the life of the coolant.