Prestone Command HD Coolant – Concentrate – 3.78L

Preston Comand heavy vehicle coolant designed with nitrite-free technology, provides long-lasting protection for truck and commercial vehicle cooling systems. Supports a service life of up to 750,000 miles (1,200,000 km) with proper use. A concentrated formula prevents corrosion and overheating, and maintains engine efficiency under the toughest operating conditions. ⚙️ Method of use: The product must be diluted by 50% with distilled water before use. Add the mixture to the cooling system when the engine is cold, until reaching the appropriate level. 📦 Storage tips: Keep in a cool, dry place away from sunlight. Seal tightly after use. Keep out of reach of children and pets. ⚠️ Notice: Follow the instructions on the package for the best result.