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 coolant does what its name implies – it 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.
Diesel Fuel Conditioner
HD EXPERT™ Diesel Fuel Conditioner helps promote optimal winter performance in heavy duty diesel engines. Our conditioner is formulated to prevent fuel from gelling at extreme low temperatures (down to -40ºC), which can cause filter clogging and vehicle downtime-related costs.
