O’Reilly DEX-COOL Antifreeze/Coolant – 1 Gallon Pre-Mix

 O’Reilly DEX-COOL Antifreeze and Coolant is a long-life, silicate-free formula engineered to meet GM specifications and compatible with most modern aluminum and cast-iron engine components. This 50/50 pre-mixed blend provides freeze protection to -34°F and boiling protection up to 265°F when used with a pressurized cooling system. Designed for vehicles and equipment requiring DEX-COOL or compatible orange antifreeze, it helps prevent rust, scale, and corrosion in radiators, water pumps, and cooling passages.

Applications:
Recommended for GM vehicles requiring DEX-COOL and compatible with other orange extended-life coolants. Suitable for zero-turn mowers, UTVs, and compact utility tractors with liquid-cooled engines.

Product Details:

• Pre-diluted 50/50 with deionized water
  
  

• Silicate and phosphate-free
  
  

• Meets or exceeds ASTM D3306 and GM6277M specs
  
  

• Ready to use — no mixing required
  
  

Provides up to 150,000 miles or 5 years of protection