Red Antifreeze for Diesel Engines

Price: $269.00/55 Gallon - FREE SHIPPING

50/50 Prediluted Extended Life Heavy Duty Antifreeze/Coolant is formulated for all heavy duty diesel trucks. Heavy duty engines on and off road.


OAT (Organic Acid Technology) is a Life-of-the-Engine organic additive fully formulated extended life Ethylene Glycol (EG) antifreeze/coolant. It is our answer to the maintenance demands of heavy duty diesel cooling systems OAT may be used with non-chemical Extended Service Interval (ESI) water filters.

OAT Extended Life Antifreeze/Coolant utilizes patented organic acid technology. It provides superior diesel engine protection against freezing, boil-over, cavitation, liner pitting, erosion, corrosion, elastomer gasket degradation, and scaling.

  • Life-of-the-Engine, 1,000,000-mile coolant
  • Provides antifreeze and antiboil protection
  •  Superior pitting and corrosion protection
  •  Provided aluminum and solder protection
  • Compatible with gaskets, elastomers and other non-metallics in the engine
  • Optimizes cooling system performance and water pump life
  • Contains proprietary scale inhibitors