Heavy Duty Coolant

Extend

EXTEND coolant is engineered for the long haul. Offering a long service life, EXTEND is based exclusively on organic additive technology (OAT) making it suitable for all light duty, heavy duty and diesel engines.

Extreme

Extreme is an OEM approved* formulation.

This coolant provides protection in the most extreme conditions. It’s specifically designed for hard-working, off-road vehicles.

Endurance

Endurance is an OEM approved* formulation.

Ideal for newer cooling systems in any on and off-road application, Endurance offers the longest service life possible!

Premium

PREMIUM coolant is the best of both worlds – it contains a precise mixture of traditional and organic corrosion inhibitors. This hybrid technology provides long life, exceptional performance and unmatched compatibility.

Methyl Hydrate

HD EXPERT™ Methyl Hydrate promote optimal defrosting of air line hoses in heavy duty vehicles.