« Back to Product List

United Extended Life OAT Coolant/Antifreeze - Concentrate

United Extended Life OAT Coolant/Antifreeze features a patented Organic Acid Technology (OAT) formula that delivers total cooling system protection for 1,000,000 miles of on-road use (8 years or 20,000 hours of off-highway use) without the use of supplemental coolant additives (SCAs). When required, top off the cooling system with United Extended Life or United Extended Life 50/50 Pre-Diluted Coolant/Antifreeze.

United Extended Life is a phosphate-free, silicate-free, nitrite-free, borate-free, globally-approved coolant that uses organic corrosion inhibitors to provide superior wet sleeve liner cavitation and corrosion protection for all cooling system metals.


  • Fully compatible with all coolant technologies
  • Eliminates the need for SCAs and coolant filters, saving time and money
  • Delivers total cooling system protection for service life:
    • Over-the-road protection: 1,000,000 miles or 8 years
    • Off-road protection: 20,000 hours or 8 years
  • Provides superior long-term elastomer compatibility
  • Compatible with all water qualities and prevents hard water scale dropout
  • Long-term corrosion protection for aluminum, copper, brass, cast iron, steel, and solder alloys
  • To realize United Extended Life OAT Coolant’s maximum protection, contamination levels should be kept below 25%.


Order Quantity:
Item Size:  

Add To Inquiry View Inquiry

Note: not all products available in sizes shown