๐Ÿท๏ธ ACDelco

ACDelco DEX-COOL Antifreeze/Coolant

โ˜…โ˜…โ˜…โ˜…ยฝ 4.5/5 (4 customer reviews)
Overall Score4.5/5.0
Expert Verdict

ACDelco DEX-COOL Antifreeze/Coolant is an excellent choice for drivers seeking long-lasting, reliable engine protection, especially for GM vehicle owners. Its advanced formula ensures durability and optimal cooling performance. We recommend it for anyone looking to extend their coolant life and maintain engine health.

๐Ÿ“‹Quick Specs
Coolant TypeHOAT / Dex-Cool
ColourBlue / Green
Mix Ratio1:1 with distilled water
ApplicationCar & Light Commercial Vehicles

Key Features

  • Long-life formula lasts up to 5 years or 150,000 miles
  • Organic acid technology (OAT) prevents corrosion and scale buildup
  • Specifically designed for GM vehicles but compatible with other makes
  • Provides excellent freeze and boil-over protection
  • Meets or exceeds ASTM and General Motors specifications
โœ“ Pros
  • Extends coolant change intervals, reducing maintenance frequency
  • Helps protect engine components from corrosion and cavitation damage
  • Compatible with a wide range of vehicles and cooling system materials
  • Improves overall engine cooling system efficiency
โœ— Cons
  • Not suitable for mixing with traditional green coolant without proper dilution
  • May be more expensive than conventional antifreeze options
  • Requires careful handling to avoid contamination

Full Review

ACDelco DEX-COOL Antifreeze/Coolant is a premium, long-life coolant designed specifically to meet the requirements of General Motors vehicles but is also compatible with a variety of other makes. It features an orange color and is formulated to provide superior protection against corrosion, overheating, and freezing in all types of automotive cooling systems. The unique formula extends coolant life up to 5 years or 150,000 miles, reducing the frequency of coolant changes and maintenance costs.

This antifreeze/coolant is engineered with organic acid technology (OAT), which helps prevent rust and scale buildup inside the engine and radiator. It maintains optimal engine temperature, ensuring smooth performance and enhancing the longevity of the cooling system components. ACDelco DEX-COOL is also compatible with other conventional coolants when properly diluted, making it a versatile option for many vehicles.

In addition to protecting against extreme temperatures, the product helps prevent cavitation damage to aluminum and other metal parts inside the engine. It meets or exceeds ASTM and GM standards, providing reliable performance and peace of mind for both professional mechanics and car owners alike. Overall, ACDelco DEX-COOL Antifreeze/Coolant is a trusted choice for maintaining engine health and efficiency.

Customer Reviews

Michael S. March 2025
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Excellent long-lasting coolant
I've been using ACDelco DEX-COOL in my GM trucks for years. It lasts a long time and keeps the engine running cool without any issues. Definitely worth the investment.
Jessica M. January 2025
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Good product but pricey
The coolant performs very well and prevents corrosion as promised. However, it is a bit more expensive than other antifreeze brands on the market.
Daniel R. February 2025
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Reliable and effective
This antifreeze has kept my engine cool even in extreme temperatures. Just be sure to follow mixing instructions carefully to avoid problems.
Emily T. December 2024
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Highly recommend for GM vehicles
I switched to DEX-COOL after experiencing issues with other coolants. It works perfectly with my GM SUV and has extended the coolant replacement schedule.