DELO® Diesel Engine Oilsfor Passenger Cars
Give your diesel engine reliable protection and improve its fuel efficiency – switch to our Delo premium engine oil range and save.
ISOSYN Technology
ISOSYN Technology is how we formulate our top tier Delo products. It’s the combination of our premium base oils, high performance additives, and formulation expertise that provides superb diesel engine parts protection. All at an outstanding value.
Delo® History of firsts
Delo® has been successfully delivering advanced engine protection to customers for over 80 years to keep their vehicles running efficiently - going further since 1935, with a history of technological firsts and innovation.
Purchase at your nearest Caltex station
Our Product Range
DIESEL ENGINE OILS
Increase engine performance even in extreme conditions and keep your engine running smoothly.
GEAR LUBRICANTS
Engineered for reliable protection even under high speed and shock loading for your vital gear parts.
GREASES
Provide high performance and long-life protection in all conditions.
COOLANTS
Keep your engine from overheating and help protect your engine's cooling system.
TRANSMISSION FLUIDS
Protect the moving components in your transmission.
Product Recommendation Guide
Delo delivers end-to-end protection. We’ve got everything you need to keep your SUV or pick-up truck running longer and smoother.
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Rewards and Offers
Earn Caltex Rewards from your fuel purchases. Enjoy offers from our Plus!, Thanks! Reward Programmes & Cabbie 21 Programme.