Coolants & Antifreezes for Trucks & Buses | Delo®

DELO® Truck & BusesDiesel Engine Coolants

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 Heavy-Duty 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 at your nearest Caltex outlet

Our Product Range

Delo® XLC Antifreeze/Coolant

A non-nitrited extended life Antifreeze/Coolant formulation for heavy duty and light duty diesel vehicles and equipment. Delo XLC is formulated with an aliphatic corrosion inhibitor system available as a concentrate and a premix 50/50.

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