Zerex Heavy Duty Extended Life Red OAT Antifreeze + Coolant Ready To Use 1 gal (US)

ZEREX Extended Life Antifreeze/Coolant's 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.