Power your engine with confidence using Caltex Delo Gold Ultra 15W-40 — the heavy-duty engine oil built for strength, durability, and long-lasting performance.

Built for Tough Conditions
Designed for both diesel and petrol engines, this oil delivers reliable performance under heavy loads, long drives, and demanding environments.

Extended Engine Life
Advanced additives help reduce wear, prevent deposits, and keep your engine cleaner for longer — saving you money on maintenance.

Superior Protection & Performance
With ISOSYN® technology, it provides outstanding thermal stability and oxidation control, ensuring your engine stays protected even in high temperatures.

Perfect for Work & Everyday Vehicles
Ideal for trucks, commercial vehicles, and passenger cars that need consistent, high-performance lubrication.
All-Weather Reliability
The 15W-40 multigrade formula ensures smooth starts and strong protection in both hot and cold conditions.
Why Choose Delo Gold Ultra?
✔ Heavy-duty protection for diesel & petrol engines
✔ Keeps engines cleaner and running longer
✔ Excellent wear and deposit control
✔ Reliable performance in harsh conditions
✔ Trusted Caltex quality
Work harder. Drive longer. Protect better.