Ravenol OTC Organic Technology Coolant & Antifreeze Concentrate C12+ (5 Litres)

Provide long-lasting, comprehensive cooling system protection for your vehicle with the 5-litre bulk container of Ravenol OTC Organic Technology Coolant Concentrate (DA6294). Utilizing advanced Organic Acid Technology (OAT) coupled with high-grade silicate inhibitors, this premium monoethylene glycol-based concentrated coolant delivers extended, maintenance-free performance across all seasons.

Specially formulated for modern high-performance engines—including advanced aluminum blocks—it actively defends against internal corrosion, cavitation, freezing winters, and summer overheating without building up scale or sediment.

Key Features:

• Extended-Life OAT Formulation: Premium organic inhibitor technology provides exceptional, long-term corrosion protection for the entire cooling circuit.
• Large 5-Litre Volume: Ideal for complete system flushes, full coolant refills, and workshop stock on hand.
• Aluminum & Alloy Protection: Expertly balanced additive package safeguards all metals used in modern cooling systems, preventing premature wear on radiators, water pumps, and engine blocks.
• Year-Round Thermal Control: Delivers robust freeze prevention during sub-zero winters and reliable boiling-point elevation under heavy summer loads.
• Safe Seal & Gasket Compatibility: Free from nitrites, amines, and phosphates, ensuring protection for rubber hoses, gaskets, and plastic radiator components.
• Concentrated Formula: Designed to be mixed with clean water to achieve your desired level of freeze-point protection.