John Deere Cool-Gard II Pre-Mix is ready to use! This coolant containts 50/50 mix of John Deere Cool-Gard™ II concentrate and demineralized water. This long-life coolant, which was specially developed for heavy-duty diesel engines, can also be used in all gas engines, including those with aluminum blocks.

• 6-year or 6,000-hour*, long-life formulation
• Offers 20% longer service intervals, which translates to savings
• Possesses the high thermal and oxidative stability required by engines equipped with cooled exhaust gas recirculation (EGR)
• Provides superior performance in all liquid-cooling system designs
• Protects against corrosion and deposits, extends water pump life, and minimizes liner cavitation
• Contains a bittering agent to help discourage accidental ingestion
• Compatible with T4 as well as older equipment
• Freeze protection to -34*F (-37*C)