John Deere Cool-Gard II Ready-to-Use Engine Coolant and Antifreeze down to -37°C

John Deere Cool-Gard II is a premium ethylene glycol-based engine coolant engineered to extend engine life and protect the cooling system under extreme heavy-duty conditions. This ready-to-use solution provides an outstanding extended service life of up to 6 years or 6,000 hours, significantly reducing maintenance downtime and costs. Providing reliable antifreeze protection down to -37°C, it delivers superior defense against corrosion, cavitation, and deposits, while enhancing water pump efficiency through advanced oxidation stability verified by modified ASTM D2272 testing.