Motul Auto Cool Optimal Ultra Car Antifreeze Coolant – 5L


2 in stock (can be backordered)

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Motul Auto Cool Optimal Ultra 5L

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Motul Auto Cool Optimal Ultra is a long life antifreeze, coolant and anti-corrosion concentrate that must be diluted with soft water for immediate use as a cooling liquid, based on monoethylene glycol and using Organic Acid Technology (OAT) additives named Organic Tech. Free from nitrites, amines, phosphates, borates and silicates.


Strongly recommended for all cooling systems including passenger cars, heavy duty, commercial, construction and agriculture vehicles, gardening, marine and stationary engines.

Do not mix with non-organic products. To maintain anti-corrosion properties, do not dilute below 33%. If possible, dilute with soft water with maximum hardness 35°F and maximum chloride and sulphate content 500 ppm.

Recommended Dilutions:


Protection (T°C / T°F) Protection (T°C / T°F) Auto Cool Percentage (%)
-22°C / -8°F 132°C / 269°F 33%
-30°C / -22°F 134°C / 273°F 40%
-41°C / -42°F 136°C / 277°F 50%
-54°C / -65°F 139°C / 282°F 60%


Please note: This product was formerly known as Motul Inugel Optimal Ultra.

Additional information

Weight 999 kg
Dimensions 99 × 99 × 99 cm