Fleetguard ES Compleat OAT Coolant - 1 Gallon

Keep your engine cool and protected with Fleetguard ES Compleat OAT Antifreeze/Coolant. This pre-diluted, ready-to-use coolant is specially formulated for extended life performance in diesel engines. With freeze protection and corrosion resistance, it ensures reliable operation in all seasons.

✅ OAT (Organic Acid Technology) formula

✅ 1,000,000-mile / 20,000-hour service life

✅ Ready to use – no need to add water

✅ Superior protection against rust, scale, and corrosion

✅ Freeze protection down to -34°F

✅ 1 Gallon / 3.78 Liters