Prestone AF850 GM Dex-Cool Extended Life Antifreeze Coolant
Prestone Dex-Cool Extended Life Antifreeze/Coolant is recommended and formulated for use in all vehicles that require DEX-COOL coolant, as well as all other cars and light duty trucks with aluminum radiators using extended life coolant. This patented formula has a concentrated blend of premium long-lasting inhibitors for extended performance, protecting against temperature extremes and the ravages of rust and corrosion for 5 years or 150,000 miles.
DEX-COOL and GM are registered trademarks of General Motors Corporation and are used under license.
Note: You will need approximately 20 quarts for a Duramax/Allison setup.
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