Be Cool Super-Duty Coolant and Antifreeze

Environmentally-Friendly Engine Protection

Be Cool Super-Duty Coolant and Antifreeze is a biodegradable propylene glycol formula with self-sealing properties that protects your engine and components in temperatures ranging from -26 degrees (F) below zero, all the way up to 267 degrees (F). Compatible with all types of radiators and colors of coolant, this unique fluid also delivers anti-leak protection by adhering to all types of metals to seal hairline cracks. Be Cool extended-life antifreeze/coolant offers up to seven years or 300,000 miles of protection in all American and foreign-made cars and trucks, as well as diesel-powered tow vehicles and RVs.