Heavy Duty Coolant
Menu Close

We’re the HD Coolant Experts

For the toughest jobs. For the harshest conditions. For the longest hauls.

  • Extend
    • Intense service heavy duty diesel and electrically powered (EVs)
    • 960,000 km / 600,000 miles, 12,000 hours or 6 years
    Learn More
  • Extra
    • Hybrid formula compatible with multiple coolant types
    • 960,000 km / 600,000 miles, 12,000 hours or 6 years
    Learn More
  • Extreme
    • OAT formula with an ultra-long service life
    • 1,200,000 km / 750,000 miles, 15,000 hours or 8 years
    Learn More
  • Endurance
    • OAT formula designed for universal application
    • 1,600,000 km / 1,000,000 miles, 20,000 hours or 8 years
    Learn More
  • Premium
    • Hybrid formula compatible with multiple coolant types
    • 960,000 km / 600,000 miles, 12,000 hours or 6 years
    Learn More
  • Classic
    • Traditional, universal coolant designed for older vehicles
    • Service life varies depending on application and maintenance
    Learn More

Explore Our Other HD Expert Solutions

  • Air Brake Antifreeze
    • Helps prevent freezing of air lines and combats moisture and condensation.
    • For diesel trucks, buses and construction equipment.
    Learn More
  • Diesel Fuel Conditioner
    • Prevents fuel from gelling at extreme low temperatures.
    • For use in all types of diesel fuel, including ultra-low sulfur diesel (ULSD).
    Learn More
  • Methyl Hydrate
    • Promotes optimal defrosting of air line hoses in heavy duty vehicles.
    • Minimizes wear of valves and seals.
    Learn More

Diesel Exhause Fluid (DEF)

  • Diesel Exhaust Fluid
    • Traditional, universal coolant designed for older vehicles
    • Service life varies depending on application and maintenance
    Learn More

FORMULATED FOR HEAVY DUTY ENGINES.
MADE FOR HEAVY DUTY PERFORMANCE.

One Focus.
Heavy Duty Engine Coolants.