Caltex Delo Coolants for Passenger Cars

Protect your engine with the right coolant

Using the right coolants can take the heat out of your engine so that it doesn’t get damaged from overheating. Our engine coolants feature patented Carboxylate corrosion inhibitors that increase heat transfer and simultaneously protect cooling systems.

Explore our range of coolants for your diesel vehicles below.

Purchase via our Distributors (in bulk) or at your convienience at all Caltex stations.

Or shop online at

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Our Product Range

Delo® XLI Coolant Corrosion Inhibitor Premixed

Provides long life corrosion protection by using optimized and patented aliphatic carboxylate organic inhibitors that provide long lasting protection for cooling system metals and components including hard to protect aluminum.

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Delo® XLC Antifreeze/Coolant

A heavy-duty, ethylene glycol based engine coolant which incorporates patented organic corrosion inhibitor technology called aliphatic carboxylates.

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