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.

Extra

EXTRA coolant is perfect for fleets with vehicles of different makes and models. This formula can be used in foreign and domestic, light duty and heavy duty diesel applications.

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.