HD EXPERT PREMIUM Antifreeze/Coolant

Hybrid technology offering an extended service life, Premium is designed for both light and heavy duty diesel engines.


  • Low silicate; Phosphate and Amine free
  • CAT EC-1 compatible
  • PREMIUM Extended Life Diesel - recommended for use where an extended service interval is required
  • DOES NOT require a charge of SCA or coolant extender at initial fill
  • Protects all coolant system metals; provides wet sleeve liner cavitation protection
  • Up to 960,000 km, 12,000 hours or 6 years
  • For older model light & heavy duty diesel applications (on-road truck, off-road, farm, marine, stationary)

HD Expert PREMIUM Antifreeze/Coolant is a low silicate, nitrite based hybrid technology product that does not require a charge of SCA or coolant extender at initial fill. This product is designed to protect all coolant system metals and provides excellent wet sleeve liner cavitation protection. It is designed for use in older model light and heavy duty diesel applications where an extended service interval is required and is recommended for use in on-road truck, off-road, farm, marine and stationary applications including, but not limited to, Caterpillar, Cummins, Detroit Diesel/ MTU, GM Heavy Truck, Freightliner, PACCAR and Volvo Mack. GET MORE at HDEXPERT.COM