Zerex Extended Life Antifreeze/Coolant patented formula has been charged with special inhibitors to protect diesel engines from liner pitting and hard water scale deposits for longer engine life. With the addition of an extender product, you can go 6 years, 14,000 hours, or 600,000 miles without changing your antifreeze. Zerex Extended Life Antifreeze/Coolant uses the highest quality virgin ethylene glycol for freeze and boil over protection, and a patented hybrid organic acid corrosion inhibitor package to protect cylinder liners from cavitation and liner pitting and your engine from rust and corrosion.
Fully formulated or pre-charged to protect against liner pitting and hard water scale
3 Years/300,000 mile protection guaranteed
Meets the Caterpillar EC-1, 14603, and DDC long-life specifications
Extend drain interval to 6 years, 14,000 hours, or 600,000 miles with the use of Zerex Extended Life Extender
Contains 30 – 50 ppm of denatonium benzoate as a bittering agent