Caltex Delo Coolants for diesel SUVs and pick-up trucks


Whether running on old or new diesel engines, Delo® Extended Life Coolants protect against corrosion, cavitation and heat build-up, helping to optimise engine operation and long-life durability.

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 unique Carboxylate corrosion inhibitors that increase heat transfer and simultaneously protect cooling systems.

Explore our range of coolants for your diesel vehicles below.

Purchase at your nearest Caltex station

Our Product Range

Delo® XLC Antifreeze/Coolant - Concentrate

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

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