Description The Motul Auto Cool Optimal ULTRA 1L is a concentrate long-life coolant fluid. Inugel Optimal uses organic technology to reduce operating temperatures of the engine and contains anti-scaling and longlasting anti-corrosion protection throughout the cooling system of your vehicle. The Motul Auto Cool Optimal ULTRA has organic technology to provide anti-corrosion properties that remain at high temperature. The properties also contain corrosion inhibitors, allowing extended drain intervals, Water pump protection & avoids cavitation. It is Seals, rubber pipes, hoses and plastic parts friendly. Do not use pure product as this is a concentrate and needs to be diluted. Mix with soft water according to the required freezing protection. To maintain anti-corrosion properties, do not dilute below 33%. Water for dilution: If possible, use soft water: Maximum hardness 35°F (French Degrees) and chlorides and sulfates maximum contain 500 ppm. Or buy the pre-mixed version of this coolant here → Motul Auto Cool Optimal (5L)
