Super Long Life 50/50 Prediluted Engine Coolant, 1 Gallon by AISIN®. Volume: 1 Gallon. Color: Pink. Quantity: 1 Jug. Aisin 50/50 Pre-Diluted Super Long Life Antifreeze is specifically engineered for the Toyota, Lexus and Scion family of vehicles. This premium Antifreeze/Coolant offers excellent corrosion protection and meets vehicle manufacturers warranty requirements.