TotalEnergies COOLELF AUTO SUPRA -26°C

TotalEnergies COOLELF AUTO SUPRA -26°C is a premium, ready-to-use, Organic Acid Technology (OAT) engine coolant designed to provide outstanding long-term protection for modern cooling systems. Formulated with monoethylene glycol and advanced organic corrosion inhibitors, it delivers reliable freeze protection down to -26°C while ensuring efficient engine cooling under a wide range of operating conditions.

Suitable for passenger cars, light commercial vehicles, heavy-duty trucks, buses, construction equipment, agricultural machinery, and industrial diesel engines, COOLELF AUTO SUPRA -26°C helps maintain optimum engine operating temperatures and extends the service life of cooling system components. It is engineered to protect critical cooling system parts against rust, corrosion, cavitation, and scale formation, even under severe operating conditions. The advanced OAT formulation helps improve system reliability, reduce maintenance requirements, and minimize downtime by maintaining excellent thermal efficiency throughout its service life. Its ready-to-use formula eliminates the need for mixing with water, ensuring the correct concentration is always used and reducing the risk of dilution errors during servicing. This makes it an ideal choice for workshops, fleet operators, and vehicle owners seeking a dependable, long-life coolant solution.

Key Features & Benefits

• Ready-to-use formulation with freeze protection down to -26°C
• Very long service life for reduced maintenance and coolant replacement costs
• Organic Acid Technology (OAT) provides excellent corrosion, erosion, and cavitation protection
• Superior protection for aluminium radiators, cylinder heads, water pumps, and other cooling system components
• Excellent heat transfer performance for efficient engine cooling
• Prevents scale and deposit formation, keeping cooling passages clean
• Excellent resistance to foaming and compatible with hard water
• Gentle on rubber seals, hoses, gaskets, and painted surfaces
• Free from silicates, phosphates, chromates, nitrites, and borates

Typical Applications

• Passenger cars
• SUVs and light commercial vehicles
• Heavy-duty diesel trucks and buses
• Construction and mining equipment
• Agricultural machinery
• Industrial engines requiring a ready-to-use OAT coolant

Recommended Service Interval

• Up to 250,000 km or 5 years for passenger cars
• Up to 500,000 km or 4 years for heavy-duty trucks (subject to OEM recommendations and operating conditions)

Performance Standards

Meets or complies with major international coolant specifications, including:

• ASTM D3306
• ASTM D4656
• ASTM D6210
• BS 6580
• AFNOR NF R 15-601

Always refer to the vehicle or equipment manufacturer's coolant specification and service interval recommendations before use.