Starbrite 033200 Star Cool Synthetic Engine Coolant 1 Gallon

Star brite Star Cool Synthetic Engine Coolant is a ready-to-use, premium cooling system treatment designed specifically for marine engines, RVs, and other powersports applications. This advanced propylene glycol formula delivers superior year-round protection without the harmful additives found in traditional coolants.

Key Features:

• Ready-to-use formula requires no mixing or dilution
• Biodegradable and non-toxic propylene glycol base for environmental safety
• Protects against boilover up to 256°F and freezing down to -26°F
• Free of nitrates, borates, amines, silicates, and phosphates that can cause system clogs
• Prevents thermostat and cooling system blockage for reliable operation
• Safe for use in all gasoline and diesel engines
• Compatible with aluminum, copper, brass, and cast iron components

This 1-gallon container provides complete cooling system protection while reducing environmental impact. The nitrate-free, phosphate-free formula prevents the buildup and deposits that plague conventional coolants, ensuring optimal heat transfer and long-term system reliability. Ideal for marine inboard/outboard engines, generators, RV engines, and other closed cooling systems.