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Castrol Radicool SF Premix Coolant 5 Litre

Experience superior engine protection with Castrol Radicool SF.

Frowse Rating9.0/10

Available in multiple variations.

Castrol Radicool SF is a long-life coolant designed for effective engine cooling and protection. Suitable for use in various engine types, it helps prevent overheating and freezing while extending drain intervals. This coolant is compatible with standard rubber hoses and provides excellent corrosion protection for modern vehicles.

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Frowse Rating 9.0/10

Best for: engine maintenance and protection

Our Review

Castrol Radicool SF Premix Coolant is a standout choice for those looking for a reliable and efficient engine coolant. Its advanced organic acid inhibitor technology sets it apart from traditional antifreezes, ensuring exceptional corrosion protection, particularly for engines with light metals. Such durability translates not only to reduced maintenance costs but also to a more environmentally friendly solution. Its compatibility with all standard rubber hoses, gaskets, and seals ensures that it fits seamlessly into various engines, from cast iron to aluminium designs.

Overall, Castrol Radicool SF is highly recommended for both personal and professional use, providing unbeatable performance and protection. Whether you're maintaining a personal vehicle or managing a fleet, this coolant offers the reliability and efficiency needed to keep engines running smoothly. Make the switch for optimal engine performance.

What we like

  • Advanced organic acid inhibitor technology
  • Excellent corrosion protection for light metal engines
  • Extended drain intervals of over three years
  • Compatible with standard rubber hoses and seals
  • Prevents scale buildup from hard water

Our verdict

Experience superior engine protection with Castrol Radicool SF.

Product Details

Castrol Radicool SF is a long-life coolant based on monoethylene glycol featuring advanced organic acid inhibitor technology. Unlike traditional antifreeze coolants, it does not contain amines, nitrites, phosphates or silicates, ensuring excellent corrosion protection, particularly for engines that incorporate light metals. Castrol Radicool SF functions effectively over a wide operating temperature range, offering freezing protection between -18°C and -37°C, depending on concentration. The premixed version is diluted to 50% with distilled water for enhanced freezing protection.

Features & Benefits

  • Special inhibitor package allows longer drain intervals with strong corrosion protection.
  • Compatible with engines made of cast iron, aluminium, copper or mixed metals.
  • Reduces buildup of calcium deposits, improving heat transfer properties and preventing cooling system blockages.
This coolant includes a bittering agent to deter accidental ingestion and meets specifications such as ASTM D3306, ASTM D4985, and VW TL-774F (G12+). It is suitable for numerous OEMs including Toyota, Ford, VW/Audi, Lexus, and Land Rover, making it a versatile choice for modern vehicles.
ASIN:
B0BHW3YG3X
Brand:
Castrol
MPN:
3424606

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