TotalEnergies Coolelf Auto Supra 2F -37°C – Long-Life Coolant with Maximum Corrosion Protection
TotalEnergies Coolelf Auto Supra 2F -37°C is a ready-to-use coolant based on monoethylene glycol (MEG) with organic acid technology (OAT) corrosion inhibitors. The formulation is free from 2-EHA, nitrites, and borates, offering extended drain intervals and outstanding protection against corrosion, erosion, and cavitation. It is the successor to Coolelf Auto Supra -37°C.
Product Advantages
• Excellent protection against corrosion, erosion, and cavitation, even at high temperatures
• Reliable frost protection down to –37 °C and boiling point of 109 °C (ASTM D1120)
• Prevents deposits through advanced OAT inhibitors
• Optimal and long-lasting heat transfer
• Foam-resistant and chemically neutral (pH 8.2–9.2)
• Compatible with common elastomers and paints
• Suitable for hard water (max. 40 °F)
• Mixable with previous Coolelf Auto Supra -37°C (full change recommended)
Typical Applications
• Cooling systems of combustion engines in passenger cars, trucks, buses, construction, and agricultural machinery
• Indirect battery cooling in EVs (when no special OEM conductivity requirements apply)
• Suitable for engines made of cast iron or aluminum, and radiators made of aluminum or copper alloys
